Unable to delete a device in gui?

Hi,
when i'm trying to delete a device (logged in as main user) and looking at dev console in browser i get:
503 Service Unavailable for DELETE /api/devices/xxx where 349 is some id ?
and then
405 Method Not Allowed for GET ws://example.com/api/socket

If i'm correct, i must be on traccar >5.3 (/opt/traccar/schema shows changelog-5.3 and then changelog-master.txt)

Please help ?

And strangely, after a while that device is not longer visible in the list of devices, so the delete function in fact did it job, but i don't know why it was(is) throwing that error.

I suspect it was probably a web API timeout because the device had too much data, but the query was actually executed in the database after all.

you can also see your server version like this example.com/api/server

Or in example.com/settings/preferences at the bottom Info.

Hi - thanks for helping out. BTW, I can't edit my posts - why? I would like to ammend them.

We don't allow editing posts after some period of time.

Can you please remove the URLs from my post and reply ?

Done.