Unable to connect roon arc outside of network

Roon Core Machine

Intel Nuc 10i7FNH, 32GB RAM

Networking Gear & Setup Details

Connected Audio Devices

Number of Tracks in Library

Description of Issue

Previously when my roon core is my laptop, when i leave my laptop on and go out i can use ARC to listen. But right now after getting my roon rock setup, my arc stop working only workable when my phone is connected to my house wifi, once i leave my house i cannot use ARC anymore. Please help

“connectivity”: {“status”:“NetworkError”,“status_code”:404,“error”:“”},
“external_ip”: {“actual_external_ip”:“116.aaa.bbb.ccc”,“router_external_ip”:“null”},
“natpmp_autoconfig”: {“status”:“NotFound”},
“upnp_autoconfig”: {“server_ip”:“”,“found_upnp”:true,“error”:“<s:Envelope xmlns:s="http://schemas.xmlsoap.org/soap/envelope/\” s:encodingStyle="http://schemas.xmlsoap.org/soap/encoding/\“>\n<s:Body>\n<s:Fault>\ns:Client\nUPnPError\n\n<UPnPError xmlns="urn:schemas-upnp-org:control-1-0">\n718\nConflictInMappingEntry\n\n\n</s:Fault>\n</s:Body>\n</s:Envelope>\n”}

Did you check your router? There might still be an old forward rule, pointing to your laptop, be active.