Alarms sounds not working/ How best to debug?

Edit again: Its working! URL now returns the alarm sounds!

Edit: Are the alarm sounds always pulled from the internet?

I looked at the favorites and it shows a URL like:
loop://content.mysqueezebox.com/static/sounds/effects/crossing_bells.mp3

If I change it to
http://content.mysqueezebox.com/stat...sing_bells.mp3

No good, URL is not available
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Hello,

Regaular playback to all devices or from my iphone using iPeng works.

But starting this morning, manually playing any of the alarm sounds do not work.

I sometimes use the alarms sounds in the morning when we are trying to get my daughter up for school.

Sounds like the Ambulance or Rooster.

I was running latest Dev 8.3.0 but downgraded to latest stable 8.2.1

Running this in Docker on a Synology Nas 920+

All music playback is working.

Rebooted server that LMS is running on and rebooted my router.

I do not see anything in the logs that seems to show the problem.

Does anyone know what I should look for in the logs to debug this issue?

Thanks in advance