Thumbnail lost and rebuild


my core is running on NAS for long, recently it was rebooted unintentionally due to power interrupt. After that, i find quite a number of albums have lost their thumbnail, and shows as empty disc default thumbnail only. this happens on my iPad / mobile / PC together. So i wonder the database has problem.

How can i fix the database, or force the core to rescan and rebuild the thumbnail from the music file again ?

Meanwhile i have to click into each album, edit, rescan album, then the thumbnail will be back.
But i guess there is around hundreds album need to fix.

Morning Paul,

maybe try from here…

Thx, forgot to mention i have tried this as well. It does not fix the thumbnail.

Have you tried to restore from a backup?

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