Hello, the problem still exists in latest version 2.3.1. Here is the compelete stack trace from debug.log:
https://hastebin.com/yodeyedidu.yaml
It makes massive spam in logs, and the most importantly in dashboard panel when debug mode is activated. Have a log also at the screenshot:
https://i.ibb.co/FwVCpdH/image.png
You are doing really great job, working at this plugin and I hope that this bug will be fixed as soon as possible.