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Roon Core Machine

macOs Monterey version 12.0.1, 27-inch 2019, 3Ghz 6-Core Intel Core i5

Networking Gear & Setup Details

Cisco Connect Box; using Ethernet

Connected Audio Devices

NAD D3020 Hybrid digital Amplifier using USB port

Number of Tracks in Library

plus/minus 20.000

Description of Issue

  • I cannot start Roon application on my iMac. I did this after my PC got a new motherboard implemented by Apple and at the same time they also cleaned my SSD. Therefore I started my PC using my Time Machine backup of the last day before the PC went into revision.

  • The full SSD restore went well and I have access to all my files. Also I’m am able to using both Tidal and Qobuz music services and both service use the NAD amplifier without any problem

  • I have checked several similar topics hoping to find a solution but without success.

  • I have performed the following without any success : 1) restarted the Cisco Router, 2) Disconnect (Settings/General) and restarted the Roon Core on this Mac, 3) Restarted also with and without starting Tidal and/or Qobuz 4) Restarted with and without Apple Music 5) Downloaded a new version of Roon 6)

  • So the setting is purely my PC (iMac) and a connected NAD amplifier; I disconnected all other devices (e.g. MacMini using Roon Bridge) in my configuration preventing further complications.

Find below a few print screens taking you through the steps I have taken. First one illustrates part of the Library>Roon map for user Raymond.

AND HERE IS THE LAST X-LINES FROM ROON_LOG FILE (I JUST DISCOVERED THIS):

Note: I additional restored the ROON Library part form the Apple Time Machine.

12/10 22:26:26 Debug: [broker/filebrowser/volumeattached] initial listing found drive mounted at /Volumes/.timemachine/8AF7FF06-1829-48BD-9330-A60320D74AE4/2021-12-10-220246.backup
12/10 22:26:26 Debug: [broker/filebrowser] getpartitioninfo 1 command: /usr/sbin/diskutil, args: info -plist '/Volumes/.timemachine/8AF7FF06-1829-48BD-9330-A60320D74AE4/2021-12-10-220246.backup'
12/10 22:26:26 Warn: could not run /usr/sbin/diskutil info -plist '/Volumes/.timemachine/8AF7FF06-1829-48BD-9330-A60320D74AE4/2021-12-10-220246.backup' -- Exit code was: 1
12/10 22:26:26 Debug: [broker/filebrowser/volumeattached] initial listing found drive mounted at /Volumes/.timemachine/8AF7FF06-1829-48BD-9330-A60320D74AE4/2021-11-04-171116.backup
12/10 22:26:26 Debug: [broker/filebrowser] getpartitioninfo 1 command: /usr/sbin/diskutil, args: info -plist '/Volumes/.timemachine/8AF7FF06-1829-48BD-9330-A60320D74AE4/2021-11-04-171116.backup'
12/10 22:26:26 Warn: could not run /usr/sbin/diskutil info -plist '/Volumes/.timemachine/8AF7FF06-1829-48BD-9330-A60320D74AE4/2021-11-04-171116.backup' -- Exit code was: 1
12/10 22:26:26 Debug: [broker/filebrowser/volumeattached] initial listing found drive mounted at /Volumes/.timemachine/8AF7FF06-1829-48BD-9330-A60320D74AE4/2021-11-05-011131.backup
12/10 22:26:26 Debug: [broker/filebrowser] getpartitioninfo 1 command: /usr/sbin/diskutil, args: info -plist '/Volumes/.timemachine/8AF7FF06-1829-48BD-9330-A60320D74AE4/2021-11-05-011131.backup'
12/10 22:26:26 Warn: could not run /usr/sbin/diskutil info -plist '/Volumes/.timemachine/8AF7FF06-1829-48BD-9330-A60320D74AE4/2021-11-05-011131.backup' -- Exit code was: 1
12/10 22:26:26 Debug: [broker/filebrowser/volumeattached] initial listing found drive mounted at /Volumes/.timemachine/8AF7FF06-1829-48BD-9330-A60320D74AE4/2021-11-05-020813.backup
12/10 22:26:26 Debug: [broker/filebrowser] getpartitioninfo 1 command: /usr/sbin/diskutil, args: info -plist '/Volumes/.timemachine/8AF7FF06-1829-48BD-9330-A60320D74AE4/2021-11-05-020813.backup'
12/10 22:26:26 Warn: could not run /usr/sbin/diskutil info -plist '/Volumes/.timemachine/8AF7FF06-1829-48BD-9330-A60320D74AE4/2021-11-05-020813.backup' -- Exit code was: 1
12/10 22:26:26 Debug: [broker/filebrowser/volumeattached] initial listing found drive mounted at /Volumes/.timemachine/8AF7FF06-1829-48BD-9330-A60320D74AE4/2021-08-23-021754.backup
12/10 22:26:26 Debug: [broker/filebrowser] getpartitioninfo 1 command: /usr/sbin/diskutil, args: info -plist '/Volumes/.timemachine/8AF7FF06-1829-48BD-9330-A60320D74AE4/2021-08-23-021754.backup'
12/10 22:26:26 Warn: could not run /usr/sbin/diskutil info -plist '/Volumes/.timemachine/8AF7FF06-1829-48BD-9330-A60320D74AE4/2021-08-23-021754.backup' -- Exit code was: 1
12/10 22:26:26 Debug: [broker/filebrowser/volumeattached] initial listing found drive mounted at /Volumes/.timemachine/8AF7FF06-1829-48BD-9330-A60320D74AE4/2021-12-10-160914.backup
12/10 22:26:26 Debug: [broker/filebrowser] getpartitioninfo 1 command: /usr/sbin/diskutil, args: info -plist '/Volumes/.timemachine/8AF7FF06-1829-48BD-9330-A60320D74AE4/2021-12-10-160914.backup'
12/10 22:26:26 Warn: could not run /usr/sbin/diskutil info -plist '/Volumes/.timemachine/8AF7FF06-1829-48BD-9330-A60320D74AE4/2021-12-10-160914.backup' -- Exit code was: 1
12/10 22:26:26 Debug: [broker/filebrowser/volumeattached] initial listing found drive mounted at /Volumes/.timemachine/8AF7FF06-1829-48BD-9330-A60320D74AE4/2021-12-10-145127.backup
12/10 22:26:26 Debug: [broker/filebrowser] getpartitioninfo 1 command: /usr/sbin/diskutil, args: info -plist '/Volumes/.timemachine/8AF7FF06-1829-48BD-9330-A60320D74AE4/2021-12-10-145127.backup'
12/10 22:26:26 Warn: could not run /usr/sbin/diskutil info -plist '/Volumes/.timemachine/8AF7FF06-1829-48BD-9330-A60320D74AE4/2021-12-10-145127.backup' -- Exit code was: 1
12/10 22:26:26 Debug: [broker/filebrowser/volumeattached] initial listing found drive mounted at /Volumes/.timemachine/8AF7FF06-1829-48BD-9330-A60320D74AE4/2021-11-05-091141.backup
12/10 22:26:26 Debug: [broker/filebrowser] getpartitioninfo 1 command: /usr/sbin/diskutil, args: info -plist '/Volumes/.timemachine/8AF7FF06-1829-48BD-9330-A60320D74AE4/2021-11-05-091141.backup'
12/10 22:26:26 Warn: could not run /usr/sbin/diskutil info -plist '/Volumes/.timemachine/8AF7FF06-1829-48BD-9330-A60320D74AE4/2021-11-05-091141.backup' -- Exit code was: 1
12/10 22:26:26 Debug: [broker/filebrowser/volumeattached] initial listing found drive mounted at /Volumes/.timemachine/8AF7FF06-1829-48BD-9330-A60320D74AE4/2021-12-10-170715.backup
12/10 22:26:26 Debug: [broker/filebrowser] getpartitioninfo 1 command: /usr/sbin/diskutil, args: info -plist '/Volumes/.timemachine/8AF7FF06-1829-48BD-9330-A60320D74AE4/2021-12-10-170715.backup'
12/10 22:26:26 Warn: could not run /usr/sbin/diskutil info -plist '/Volumes/.timemachine/8AF7FF06-1829-48BD-9330-A60320D74AE4/2021-12-10-170715.backup' -- Exit code was: 1
12/10 22:26:26 Debug: [broker/filebrowser/volumeattached] initial listing found drive mounted at /Volumes/.timemachine/8AF7FF06-1829-48BD-9330-A60320D74AE4/2021-11-04-131515.backup
12/10 22:26:26 Debug: [broker/filebrowser] getpartitioninfo 1 command: /usr/sbin/diskutil, args: info -plist '/Volumes/.timemachine/8AF7FF06-1829-48BD-9330-A60320D74AE4/2021-11-04-131515.backup'
12/10 22:26:26 Warn: could not run /usr/sbin/diskutil info -plist '/Volumes/.timemachine/8AF7FF06-1829-48BD-9330-A60320D74AE4/2021-11-04-131515.backup' -- Exit code was: 1
12/10 22:26:26 Debug: [broker/filebrowser/volumeattached] initial listing found drive mounted at /Volumes/.timemachine/8AF7FF06-1829-48BD-9330-A60320D74AE4/2021-08-09-224222.backup
12/10 22:26:26 Debug: [broker/filebrowser] getpartitioninfo 1 command: /usr/sbin/diskutil, args: info -plist '/Volumes/.timemachine/8AF7FF06-1829-48BD-9330-A60320D74AE4/2021-08-09-224222.backup'
12/10 22:26:26 Warn: could not run /usr/sbin/diskutil info -plist '/Volumes/.timemachine/8AF7FF06-1829-48BD-9330-A60320D74AE4/2021-08-09-224222.backup' -- Exit code was: 1
12/10 22:26:26 Debug: [broker/filebrowser/volumeattached] initial listing found drive mounted at /Volumes/.timemachine/8AF7FF06-1829-48BD-9330-A60320D74AE4/2021-11-05-111309.backup
12/10 22:26:26 Debug: [broker/filebrowser] getpartitioninfo 1 command: /usr/sbin/diskutil, args: info -plist '/Volumes/.timemachine/8AF7FF06-1829-48BD-9330-A60320D74AE4/2021-11-05-111309.backup'
12/10 22:26:26 Warn: could not run /usr/sbin/diskutil info -plist '/Volumes/.timemachine/8AF7FF06-1829-48BD-9330-A60320D74AE4/2021-11-05-111309.backup' -- Exit code was: 1
12/10 22:26:26 Debug: [broker/filebrowser/volumeattached] initial listing found drive mounted at /Volumes/.timemachine/8AF7FF06-1829-48BD-9330-A60320D74AE4/2021-09-05-034320.backup
12/10 22:26:26 Debug: [broker/filebrowser] getpartitioninfo 1 command: /usr/sbin/diskutil, args: info -plist '/Volumes/.timemachine/8AF7FF06-1829-48BD-9330-A60320D74AE4/2021-09-05-034320.backup'
12/10 22:26:26 Warn: could not run /usr/sbin/diskutil info -plist '/Volumes/.timemachine/8AF7FF06-1829-48BD-9330-A60320D74AE4/2021-09-05-034320.backup' -- Exit code was: 1
12/10 22:26:26 Debug: [broker/filebrowser/volumeattached] initial listing found drive mounted at /Volumes/.timemachine/8AF7FF06-1829-48BD-9330-A60320D74AE4/2021-12-10-181120.backup
12/10 22:26:26 Debug: [broker/filebrowser] getpartitioninfo 1 command: /usr/sbin/diskutil, args: info -plist '/Volumes/.timemachine/8AF7FF06-1829-48BD-9330-A60320D74AE4/2021-12-10-181120.backup'
12/10 22:26:26 Warn: could not run /usr/sbin/diskutil info -plist '/Volumes/.timemachine/8AF7FF06-1829-48BD-9330-A60320D74AE4/2021-12-10-181120.backup' -- Exit code was: 1
12/10 22:26:26 Debug: [broker/filebrowser/volumeattached] initial listing found drive mounted at /Volumes/.timemachine/8AF7FF06-1829-48BD-9330-A60320D74AE4/2021-09-11-155331.backup
12/10 22:26:26 Debug: [broker/filebrowser] getpartitioninfo 1 command: /usr/sbin/diskutil, args: info -plist '/Volumes/.timemachine/8AF7FF06-1829-48BD-9330-A60320D74AE4/2021-09-11-155331.backup'
12/10 22:26:26 Warn: could not run /usr/sbin/diskutil info -plist '/Volumes/.timemachine/8AF7FF06-1829-48BD-9330-A60320D74AE4/2021-09-11-155331.backup' -- Exit code was: 1
12/10 22:26:26 Debug: [broker/filebrowser/volumeattached] initial listing found drive mounted at /Volumes/.timemachine/8AF7FF06-1829-48BD-9330-A60320D74AE4/2021-11-04-180801.backup
12/10 22:26:26 Debug: [broker/filebrowser] getpartitioninfo 1 command: /usr/sbin/diskutil, args: info -plist '/Volumes/.timemachine/8AF7FF06-1829-48BD-9330-A60320D74AE4/2021-11-04-180801.backup'
12/10 22:26:26 Warn: could not run /usr/sbin/diskutil info -plist '/Volumes/.timemachine/8AF7FF06-1829-48BD-9330-A60320D74AE4/2021-11-04-180801.backup' -- Exit code was: 1
12/10 22:26:26 Debug: [broker/filebrowser/volumeattached] initial listing found drive mounted at /Volumes/.timemachine/8AF7FF06-1829-48BD-9330-A60320D74AE4/2021-10-08-050615.backup
12/10 22:26:26 Debug: [broker/filebrowser] getpartitioninfo 1 command: /usr/sbin/diskutil, args: info -plist '/Volumes/.timemachine/8AF7FF06-1829-48BD-9330-A60320D74AE4/2021-10-08-050615.backup'
12/10 22:26:26 Warn: could not run /usr/sbin/diskutil info -plist '/Volumes/.timemachine/8AF7FF06-1829-48BD-9330-A60320D74AE4/2021-10-08-050615.backup' -- Exit code was: 1
12/10 22:26:26 Debug: [broker/filebrowser/volumeattached] initial listing found drive mounted at /Volumes/.timemachine/8AF7FF06-1829-48BD-9330-A60320D74AE4/2021-11-05-040818.backup
12/10 22:26:26 Debug: [broker/filebrowser] getpartitioninfo 1 command: /usr/sbin/diskutil, args: info -plist '/Volumes/.timemachine/8AF7FF06-1829-48BD-9330-A60320D74AE4/2021-11-05-040818.backup'
12/10 22:26:26 Warn: could not run /usr/sbin/diskutil info -plist '/Volumes/.timemachine/8AF7FF06-1829-48BD-9330-A60320D74AE4/2021-11-05-040818.backup' -- Exit code was: 1
12/10 22:26:26 Debug: [broker/filebrowser/volumeattached] initial listing found drive mounted at /Volumes/.timemachine/8AF7FF06-1829-48BD-9330-A60320D74AE4/2021-11-05-031133.backup
12/10 22:26:26 Debug: [broker/filebrowser] getpartitioninfo 1 command: /usr/sbin/diskutil, args: info -plist '/Volumes/.timemachine/8AF7FF06-1829-48BD-9330-A60320D74AE4/2021-11-05-031133.backup'
12/10 22:26:27 Warn: could not run /usr/sbin/diskutil info -plist '/Volumes/.timemachine/8AF7FF06-1829-48BD-9330-A60320D74AE4/2021-11-05-031133.backup' -- Exit code was: 1
12/10 22:26:27 Debug: [broker/filebrowser/volumeattached] initial listing found drive mounted at /Volumes/.timemachine/8AF7FF06-1829-48BD-9330-A60320D74AE4/2021-10-30-230705.backup
12/10 22:26:27 Debug: [broker/filebrowser] getpartitioninfo 1 command: /usr/sbin/diskutil, args: info -plist '/Volumes/.timemachine/8AF7FF06-1829-48BD-9330-A60320D74AE4/2021-10-30-230705.backup'
12/10 22:26:27 Warn: could not run /usr/sbin/diskutil info -plist '/Volumes/.timemachine/8AF7FF06-1829-48BD-9330-A60320D74AE4/2021-10-30-230705.backup' -- Exit code was: 1
12/10 22:26:27 Debug: [easyhttp] [6] POST to https://discovery.roonlabs.net/1/register returned after 118 ms, status code: 200
12/10 22:26:27 Trace: [inetdiscovery] registered 1 devices, 4 services
12/10 22:26:30 Trace: ForceRenderImmediately, viewport: {X=0,Y=0,Width=3774,Height=2018}
12/10 22:26:31 Trace: Successful POST response from https://push.roonlabs.com/push/1/connect
12/10 22:26:31 Trace: [push] connecting to 35.237.82.78:9204
12/10 22:26:32 Trace: [push] connected
12/10 22:26:33 Trace: [client/roonbridges] [RoonBridge WoonMac @ 192.168.178.234:49216] client connection failed. Retrying in 500ms
12/10 22:26:33 Trace: [client/roonbridges] [RoonBridge WoonMac @ 192.168.178.234:49216] connecting (attempt 2)
12/10 22:26:37 Info: [stats] 34018mb Virtual, 231mb Physical, 46mb Managed, 55 Threads,  FDs 
12/10 22:26:43 Trace: [fiveaccountserver] POST https://accounts5.roonlabs.com/accounts/3/login
12/10 22:26:43 Trace: [fiveaccountserver] BODY email=kleinrob%40ziggo.nl&password=<<<PASSWORD>>>
12/10 22:26:43 Trace: [broker/accounts] Data updated. AccountStatus=NoAccountConfigured MachineStatus=NeedsAccount UserId=<none>
12/10 22:26:43 Trace: [push] restarting connection (Unable to read data from the transport connection: interrupted.)
12/10 22:26:43 Trace: [push] retrying connection in 31071ms
12/10 22:26:43 Debug: trigger: appinitwasnotrun
12/10 22:26:43 Debug: trigger: do nothing
12/10 22:26:43 Trace: [client/roonbridges] [RoonBridge WoonMac @ 192.168.178.234:49216] client connection failed. Retrying in 750ms
12/10 22:26:44 Trace: Successful POST response from https://accounts5.roonlabs.com/accounts/3/login
12/10 22:26:44 Trace: [fiveaccountserver] GOT {"status":"Success","userid":"d2ec9570-b1e7-43ff-8414-34503c7f006c","token":"12775c4a-16a0-4d0f-a82d-e02da93d4ca4","expiration":30,"groups":[]}
12/10 22:26:44 Trace: [fiveaccountserver] GET https://accounts5.roonlabs.com/accounts/3/userinfo?token=12775c4a-16a0-4d0f-a82d-e02da93d4ca4&machineid=7bc82c4f-e98a-b919-f2a1-9dfea23f2801
12/10 22:26:44 Trace: [fiveaccountserver] GOT {"user":{"userid":"d2ec9570-b1e7-43ff-8414-34503c7f006c","firstname":"Raymond","lastname":"Klein Robbenhaar","email":"kleinrob@ziggo.nl","joinmailinglist":true,"allowpushnotifications":true,"class":"Normal","groups":[],"trialallowed":false},"status":"Success"}
12/10 22:26:44 Trace: [fiveaccountserver] GET https://accounts5.roonlabs.com/accounts/3/profileslist?token=12775c4a-16a0-4d0f-a82d-e02da93d4ca4
12/10 22:26:44 Trace: [fiveaccountserver] GOT {"status":"Success","profiles":[{"id":"ac15853f-b865-4497-9fcc-ef13afbeab27","name":"Raymond","photo":"https://sooloos-profileimages.s3.amazonaws.com/five-d2ec9570-b1e7-43ff-8414-34503c7f006c--ac15853f-b865-4497-9fcc-ef13afbeab27.jpg","birthdate":"19540108"}]}
12/10 22:26:44 Trace: [client/roonbridges] [RoonBridge WoonMac @ 192.168.178.234:49216] connecting (attempt 3)
12/10 22:26:44 Debug: [easyhttp] [7] POST to https://bits.roonlabs.net/1/q/roon.base.,roon.internet_discovery.,roon.childprocess.,roon.debug.,roon.client.,roon.broker.,roon.dsp.,roon.sood.?roon_auth_token=12775c4a-16a0-4d0f-a82d-e02da93d4ca4 returned after 580 ms, status code: 200
12/10 22:26:44 Trace: [broker/services] refreshing metadata URL bits
12/10 22:26:44 Trace: [bits] updated bits, in 586ms
12/10 22:26:44 Info: [broker/services] using URL override for metadata: https://metadataserver.roonlabs.net/md/
12/10 22:26:44 Info: [broker/services] using URL override for identifier: https://identifier.roonlabs.net/identifier/
12/10 22:26:44 Info: [broker/services] using URL override for imagecache: https://imagecache.roonlabs.net/im/
12/10 22:26:44 Info: [broker/services] using URL override for swim: https://swim.roonlabs.net/
12/10 22:26:44 Info: [broker/services] using URL override for metadataservice2: https://metadata.roonlabs.net/
12/10 22:26:44 Info: [broker/services] using URL override for qobuzservice: https://qobuz.roonlabs.net/
12/10 22:26:44 Info: [broker/services] using URL override for tidalservice: https://tidal.roonlabs.net/
12/10 22:26:44 Info: [broker/services] using URL override for searchservice: https://search.roonlabs.net/
12/10 22:26:44 Info: [broker/services] using URL override for discoverservice: https://discover.roonlabs.net/
12/10 22:26:44 Info: [broker/services] using URL override for browseservice: https://browse.roonlabs.net/
12/10 22:26:44 Info: [loadstatus] IsLibraryLoading True => True
12/10 22:26:44 Info: [loadstatus] IsTransportLoading True => True
12/10 22:26:44 Trace: [broker/accounts] Data updated. AccountStatus=LoggedIn MachineStatus=Indeterminate UserId=d2ec9570-b1e7-43ff-8414-34503c7f006c
12/10 22:26:44 Trace: [broker/accounts] Updating Machine Allocation machineid=7bc82c4f-e98a-b919-f2a1-9dfea23f2801 hwserial= machinename=iMac27 machinetype=Server
12/10 22:26:44 Trace: [fiveaccountserver] POST https://accounts5.roonlabs.com/accounts/3/machineallocate
12/10 22:26:44 Trace: [fiveaccountserver] BODY token=12775c4a-16a0-4d0f-a82d-e02da93d4ca4&machine=7bc82c4f-e98a-b919-f2a1-9dfea23f2801&name=iMac27&type=Server
12/10 22:26:44 Info: [broker] is licensed for userid d2ec9570-b1e7-43ff-8414-34503c7f006c
12/10 22:26:44 Debug: trigger: appinitwasnotrun
12/10 22:26:44 Debug: trigger: do nothing
12/10 22:26:44 Critical: scx: LevelDb.Exception: Corruption: 504 missing files; e.g.: /Users/Raymond/Library/Roon/Database/Core/d2ec9570b1e743ff841434503c7f006c/broker_2.db/321246.ldb
  at LevelDb.Database._CheckError (System.IntPtr err) [0x00037] in <3e083d83d19b417396c129a9ada45327>:0 
  at LevelDb.Database..ctor (System.String path) [0x00075] in <3e083d83d19b417396c129a9ada45327>:0 
  at Sooloos.Broker.Database..ctor (System.String dbdir) [0x0005b] in <25eab4ba5dfd423c843f876c5b7e89b8>:0 
  at Sooloos.Broker.State+<>c__DisplayClass142_1.<NotifyIsLoggedIn>g__Finish|1 (System.Boolean vacuum) [0x000bb] in <25eab4ba5dfd423c843f876c5b7e89b8>:0 
  at Sooloos.Broker.State+<>c__DisplayClass142_0.<NotifyIsLoggedIn>b__0 () [0x001c5] in <25eab4ba5dfd423c843f876c5b7e89b8>:0 
  at Sooloos.SynchronizationContextThread+<>c__DisplayClass45_0.<Post>b__0 (System.Object _) [0x00000] in <ba20b579708d42719222db8004331ebc>:0 
  at Sooloos.SynchronizationContextThread._Dispatch (Sooloos.SynchronizationContextThread+SendOrPostWrapper& ret) [0x00012] in <ba20b579708d42719222db8004331ebc>:0 
12/10 22:26:44 Info: [loadstatus] IsLibraryLoading True => False
12/10 22:26:44 Info: [loadstatus] IsTransportLoading True => False
12/10 22:26:44 Debug: trigger: appinitwasnotrun
12/10 22:26:44 Debug: trigger: do nothing
12/10 22:26:45 Trace: Successful POST response from https://accounts5.roonlabs.com/accounts/3/machineallocate
12/10 22:26:45 Trace: [fiveaccountserver] GOT {"status":"Success","licenseid":"94b95547-2090-41cf-bb29-0e4d7bdf2e9b"}
12/10 22:26:45 Error: Error in thread pool work item: Sooloos.SynchronizationContextThreadException: In Broker:Media ---> System.NullReferenceException: Object reference not set to an instance of an object
  at Sooloos.Broker.ImageCollection+<>c__DisplayClass39_1.<AddImage>b__1 () [0x00002] in <25eab4ba5dfd423c843f876c5b7e89b8>:0 
  at Sooloos.SynchronizationContextThread+<>c__DisplayClass48_0.<SendSafe>b__0 () [0x00000] in <ba20b579708d42719222db8004331ebc>:0 
   --- End of inner exception stack trace ---
  at Sooloos.SynchronizationContextThread.SendSafe (System.Action handler) [0x00060] in <ba20b579708d42719222db8004331ebc>:0 
  at Sooloos.Broker.ImageCollection+<>c__DisplayClass39_0.<AddImage>b__0 (Sooloos.CallingThread cx) [0x00044] in <25eab4ba5dfd423c843f876c5b7e89b8>:0 
  at Sooloos.CallingThread+<>c__DisplayClass10_0.<DoThreadPoolWork>b__0 (System.Object <p0>) [0x00000] in <ba20b579708d42719222db8004331ebc>:0 
12/10 22:26:45 Trace: [broker/accounts] Data updated. AccountStatus=LoggedIn MachineStatus=Licensed UserId=d2ec9570-b1e7-43ff-8414-34503c7f006c
12/10 22:26:45 Trace: [broker/accounts] Machine Allocation Succeeded
12/10 22:26:45 Debug: ev_app_init: using local broker [is_essentials=0]
12/10 22:26:45 Debug: trigger: appinitwasnotrun
12/10 22:26:45 Debug: trigger: do nothing
12/10 22:26:51 Trace: [appupdater] initial check for updates
12/10 22:26:51 Debug: [base/updater] Checking for updates: https://updates.roonlabs.com/update/?v=2&serial=323D8DAE-8C91-4FEB-A134-40415A31E6C1&userid=d2ec9570-b1e7-43ff-8414-34503c7f006c&platform=macosx&product=Roon&branding=roon&curbranch=stable&version=100800831&branch=stable&coredeviceid=50c6cd44-27e9-42b8-bb93-69f374983ffc&deviceid=50c6cd44-27e9-42b8-bb93-69f374983ffc
12/10 22:26:51 Debug: [appupdater] Update not needed
12/10 22:26:52 Info: [stats] 34022mb Virtual, 239mb Physical, 34mb Managed, 52 Threads,  FDs 
12/10 22:26:53 Trace: Successful POST response from https://push.roonlabs.com/push/1/connect
12/10 22:26:53 Trace: [push] connecting to 35.237.82.78:9204
12/10 22:26:53 Info: Flushing kart data to server
12/10 22:26:53 Trace: [push] connected
12/10 22:26:53 Debug: server said: 
12/10 22:26:54 Trace: [client/roonbridges] [RoonBridge WoonMac @ 192.168.178.234:49216] client connection failed. Retrying in 1125ms
12/10 22:26:55 Trace: [client/roonbridges] [RoonBridge WoonMac @ 192.168.178.234:49216] connecting (attempt 4)
12/10 22:27:05 Trace: [client/roonbridges] [RoonBridge WoonMac @ 192.168.178.234:49216] client connection failed. Retrying in 1687ms
12/10 22:27:05 Info: [broker/locations] removing location Folder:Name=:Location=FileBrowser.Entry:  Macintosh SSD, AppleAPFSMedia : /Users/Raymond/Music/Roon:Id=ac72822e-5053-4ffc-b91c-8e2f9f8a561b
12/10 22:27:05 Info: [broker/locations] shuting down location Folder:Name=:Location=FileBrowser.Entry:  Macintosh SSD, AppleAPFSMedia : /Users/Raymond/Music/Roon:Id=ac72822e-5053-4ffc-b91c-8e2f9f8a561b
12/10 22:27:05 Info: [broker/locations] storage location backend (Folder:Name=:Location=FileBrowser.Entry:  Macintosh SSD, AppleAPFSMedia : /Users/Raymond/Music/Roon:Id=ac72822e-5053-4ffc-b91c-8e2f9f8a561b) offline reason changed to: Removing
12/10 22:27:05 Trace: [push] restarting connection (Unable to read data from the transport connection: interrupted.)
12/10 22:27:05 Trace: [push] retrying connection in 73564ms
12/10 22:27:07 Trace: [client/roonbridges] [RoonBridge WoonMac @ 192.168.178.234:49216] connecting (attempt 5)
12/10 22:27:07 Info: [stats] 34023mb Virtual, 240mb Physical, 35mb Managed, 52 Threads,  FDs 
12/10 22:27:08 Debug: [broker/locations/itunes] isonline?: False
12/10 22:27:08 Info: [broker/locations] media availability: ITunes:Name=ITunes Library:Id=0bfc1599-dcf9-8617-34ca-0d39112c0095 is offline
12/10 22:27:08 Info: [broker/locations] media availability: ITunes:Name=ITunes Library:Id=0bfc1599-dcf9-8617-34ca-0d39112c0095 is offline
12/10 22:27:08 Info: [broker/locations] media availability: ITunes:Name=ITunes Library:Id=0bfc1599-dcf9-8617-34ca-0d39112c0095 is offline
12/10 22:27:15 Info: [client] opening web url https://login.tidal.com/authorize?redirect_uri=https%3a%2f%2foauthcb.roonlabs.net%2f2%2ftidal%2fauthorize&client_id=bwWFZiwxhK1rfSP3&state=6ca0bb60-dc09-44da-8b2e-3f18405becf5
12/10 22:27:16 Trace: Successful POST response from https://push.roonlabs.com/push/1/connect
12/10 22:27:16 Trace: [push] connecting to 35.237.82.78:9204
12/10 22:27:16 Trace: [push] connected
12/10 22:27:17 Trace: [client/roonbridges] [RoonBridge WoonMac @ 192.168.178.234:49216] client connection failed. Giving up
12/10 22:27:18 Debug: [easyhttp] [9] GET to https://oauthcb.roonlabs.net/2/tidal/check?tid=6ca0bb60-dc09-44da-8b2e-3f18405becf5 returned after 4436 ms, status code: 200
12/10 22:27:18 Trace: [tidal/http] GET https://api.tidal.com/v1/sessions/ => Success
12/10 22:27:18 Trace: [tidal] transition loginstatus from NoAccountConfigured to LoginSucceeded
12/10 22:27:18 Info: [broker/locations] adding storage location: Tidal:Name=TIDAL:Id=a2bc918b-81fb-abc3-f24b-19bcfed910a2
12/10 22:27:18 Info: [broker/locations] media availability: Tidal:Name=TIDAL:Id=a2bc918b-81fb-abc3-f24b-19bcfed910a2 is online
12/10 22:27:18 Info: [broker/locations] updating location Tidal:Name=TIDAL:Id=a2bc918b-81fb-abc3-f24b-19bcfed910a2
12/10 22:27:18 Critical: scx: System.NullReferenceException: Object reference not set to an instance of an object
  at Sooloos.Broker.Tidal.TidalStorageBackend..ctor (Sooloos.Broker.State state, System.Guid uniqueid, Sooloos.Broker.Tidal.Module module, Sooloos.Tidal.Proxy proxy, Sooloos.Broker.Tidal.TidalCache cache) [0x000c7] in <25eab4ba5dfd423c843f876c5b7e89b8>:0 
  at Sooloos.Broker.Tidal.Module._UpdateLocation () [0x000ba] in <25eab4ba5dfd423c843f876c5b7e89b8>:0 
  at Sooloos.Broker.Tidal.Module._TransitionStatus (Sooloos.Broker.Tidal.Module+_LoginStatus new_status, Sooloos.Tidal.LoginResult login_res) [0x0015d] in <25eab4ba5dfd423c843f876c5b7e89b8>:0 
  at Sooloos.Broker.Tidal.Module+<>c__DisplayClass87_0.<_RefreshSession>b__1 (Base.Result`1[T] result) [0x00050] in <25eab4ba5dfd423c843f876c5b7e89b8>:0 
  at Sooloos.Tidal.Proxy+<>c__DisplayClass22_0.<GetSession>b__0 (Base.Result`1[T] result) [0x00046] in <538e55e9f5ad4560a3d3b5c64b28a42c>:0 
  at Sooloos.Tidal.Proxy.HandleJsonResponse[T] (System.String url, System.String etag, System.Func`2[T,TResult] parse_json, System.String responsebody, Base.ResultCallback`1[T] cb_result) [0x000de] in <538e55e9f5ad4560a3d3b5c64b28a42c>:0 
  at Sooloos.Tidal.Proxy+<>c__DisplayClass121_0`1[T].<GET>b__0 (Base.Result`1[T] result) [0x0002b] in <538e55e9f5ad4560a3d3b5c64b28a42c>:0 
  at Sooloos.Tidal.Proxy+<>c__DisplayClass117_0.<HTTP>b__0 (Base.Result`1[T] r) [0x00093] in <538e55e9f5ad4560a3d3b5c64b28a42c>:0 
  at Sooloos.Tidal.Proxy+<>c__DisplayClass117_1.<HTTP>b__3 () [0x00016] in <538e55e9f5ad4560a3d3b5c64b28a42c>:0 
  at Sooloos.CallingThread+<>c__DisplayClass12_0.<Post>b__1 (System.Object <p0>) [0x00000] in <ba20b579708d42719222db8004331ebc>:0 
  at Sooloos.SynchronizationContextThread._Dispatch (Sooloos.SynchronizationContextThread+SendOrPostWrapper& ret) [0x00012] in <ba20b579708d42719222db8004331ebc>:0 
12/10 22:27:20 Info: [url] SaveOrHandleStartupURLs
12/10 22:27:20 Info: [dragdrop] OK "roon://activate"
12/10 22:27:20 Info: [dragdrop] DROPPED roon://activate
12/10 22:27:20 Info: Url Launched: roon://activate
12/10 22:27:22 Info: [stats] 34032mb Virtual, 242mb Physical, 38mb Managed, 56 Threads,  FDs 
12/10 22:27:23 Debug: ev_app_init: done
12/10 22:27:23 Debug: trigger: appinitwasrun
12/10 22:27:23 Debug: trigger: apploaded, restoring nav stack
12/10 22:27:23 Debug: GMS: restoring nav stack
12/10 22:27:23 Critical: scx: System.NullReferenceException: Object reference not set to an instance of an object
  at Sooloos.Broker.ClientData._Put (System.String key, Sooloos.Broker.ClientData+ValueData value) [0x00038] in <25eab4ba5dfd423c843f876c5b7e89b8>:0 
  at Sooloos.Broker.ClientData+<>c__DisplayClass18_0.<Put>b__0 (Sooloos.Concurrency.ClientContext clientcx) [0x00017] in <25eab4ba5dfd423c843f876c5b7e89b8>:0 
  at Sooloos.Concurrency.SharedState`1+<>c__DisplayClass17_1[THREAD].<PostHigh>b__1 (System.Object _) [0x00035] in <0e2b7ea0c213487aab56ac1ecc1666ee>:0 
  at Sooloos.SynchronizationContextThread._Dispatch (Sooloos.SynchronizationContextThread+SendOrPostWrapper& ret) [0x00012] in <ba20b579708d42719222db8004331ebc>:0 
12/10 22:27:23 Info: ScrollDirection
12/10 22:27:23 Info: ScrollDirection
12/10 22:27:23 Info: ScrollDirection
12/10 22:27:23 Info: ScrollDirection
12/10 22:27:23 Info: ScrollDirection
12/10 22:27:23 Debug: GMS: restoring nav stack data: trackbrowser
12/10 22:27:23 Debug: after delayed_start_work
12/10 22:27:23 Debug: unhandled selection type: 
12/10 22:27:23 Debug: GMS: restoring nav stack data: albumbrowser
12/10 22:27:23 Debug: GMS: restoring nav stack data: artistbrowser
12/10 22:27:23 Debug: GMS: restoring nav stack data: composerbrowser
12/10 22:27:23 Debug: GMS: restoring nav stack data: workbrowser
12/10 22:27:23 Debug: GMS: restoring nav stack data: workbrowser
12/10 22:27:23 Debug: GMS: restoring nav stack data: tagbrowser
12/10 22:27:23 Debug: GMS: restoring nav stack data: playlistbrowser
12/10 22:27:23 Debug: GMS: restoring nav stack data: playlistdetails
12/10 22:27:23 Debug: GMS: restoring nav stack data: nowplaying
12/10 22:27:23 Debug: GMS: restoring nav stack data: screens
12/10 22:27:23 Debug: UI-FWD: skipping fwd2 due to lazyload: home
12/10 22:27:23 Debug: UI-FWD: skipping fwd2 due to lazyload: tidal
12/10 22:27:23 Debug: UI-FWD: skipping fwd2 due to lazyload: unifiedsearch
12/10 22:27:23 Debug: UI-FWD: skipping fwd2 due to lazyload: artistdetails
12/10 22:27:23 Debug: UI-FWD: skipping fwd2 due to lazyload: unifiedsearch
12/10 22:27:23 Debug: UI-FWD: skipping fwd2 due to lazyload: artistdetails
12/10 22:27:23 Debug: UI-FWD: skipping fwd2 due to lazyload: albumdetails
12/10 22:27:23 Debug: UI-FWD: skipping fwd2 due to lazyload: artistdetails
12/10 22:27:23 Debug: UI-FWD: skipping fwd2 due to lazyload: home
12/10 22:27:23 Debug: UI-FWD: skipping fwd2 due to lazyload: viewall
12/10 22:27:23 Debug: UI-FWD: skipping fwd2 due to lazyload: albumbrowser
12/10 22:27:23 Debug: UI-FWD: skipping fwd2 due to lazyload: albumdetails
12/10 22:27:23 Debug: UI-FWD: skipping fwd2 due to lazyload: artistdetails
12/10 22:27:23 Debug: UI-FWD: skipping fwd2 due to lazyload: albumdetails
12/10 22:27:23 Debug: UI-FWD: skipping fwd2 due to lazyload: home
12/10 22:27:23 Debug: UI-FWD: skipping fwd2 due to lazyload: albumdetails
12/10 22:27:23 Debug: UI-FWD: skipping fwd2 due to lazyload: artistdetails
12/10 22:27:23 Debug: UI-FWD: skipping fwd2 due to lazyload: albumdetails
12/10 22:27:23 Debug: UI-FWD: skipping fwd2 due to lazyload: artistdetails
12/10 22:27:23 Debug: UI-FWD: skipping fwd2 due to lazyload: albumdetails
12/10 22:27:23 Debug: GMS: found currentscreen in GMS file, going to index 19
12/10 22:27:23 Debug: UI-FORCE-UNLAZY: mode: albumdetails
12/10 22:27:23 Info: ScrollDirection
12/10 22:27:23 Debug: GMS: trying to save nav stack, but nav stack stuff was in progress
12/10 22:27:23 Debug: UI-NAV: album details / album:  / bookmarkdata: [object Broo.Runtime.BrooMap]
12/10 22:27:23 Debug: GMS: done restoring nav stack
12/10 22:27:23 Debug: UI-FWD: mode: albumdetails
12/10 22:27:23 Debug: GMS: saving nav stack
12/10 22:27:23 Debug: GMS: done saving nav stack
12/10 22:27:23 Trace: DisposeReusableCellCache: scrollpanel(1799), 0 disposed from cache.
12/10 22:27:23 Debug: unhandled selection type: 
12/10 22:27:23 Trace: DisposeReusableCellCache: scrollpanel(1799), 0 disposed from cache.
12/10 22:27:37 Info: [stats] 34029mb Virtual, 244mb Physical, 43mb Managed, 53 Threads,  FDs

Hi @Raymond_Klein_Robben

We’re sorry to hear about your difficulties with your computer hardware and apologize for the delay in getting back in touch.

Unfortunately Time Machine isn’t capable of creating a reliable backup of your Roon Database. We touch upon this is our how-to on creating Roon backups here:

The good news is once you reinstall Roon and link your TIDAL, Qobuz, and local music your collection will be intact. If you were creating backups in Roon and still have access to those you can try to restore a backup to regain your previous customizations.

We hope you meet with success! :crossed_fingers:

Thanks Jamie. I already accepted the loss in data and building up new material. Streaming services like Tidal and Qobuz were all restored correctly using Apple’s Time Machine. Peculiar Roon does not fit into the Time Machine technique. Issue can be closed.

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