Sonarr stuck "Check For Finished Download"

Version

3.0.0.348

Mono Version

5.18.0.240
OS: unRAID
Debug logs:
https://pastebin.com/Zd8NdPG4

Description of issue: Sonarr is stuck “Check For Finished Download” and so I can’t see any “Activity” in the app.

First off update Sonarr, this is a really old version.