I do not have high confidence this will work, but often 500 errors in version 2.1 can be corrected using Clear the Cache.
You should be getting some exceptions in openhab.log. Can you post them if clear the cache doesn’t work?
I do not have high confidence this will work, but often 500 errors in version 2.1 can be corrected using Clear the Cache.
You should be getting some exceptions in openhab.log. Can you post them if clear the cache doesn’t work?