Error report while conducting back search

Looking for info on the below error which occurred during back search.

2021-03-15 13:53:51 INFO::SEARCHQUEUE-BJM7FLP57K-BACKLOG-153021-TheTVDB::Finished backlog search for: [The Walking Dead] S10E19
2021-03-15 13:53:51 WARNING::SEARCHQUEUE-BJM7FLP57K-BACKLOG-153021-TheTVDB::uTorrent: Unable to send Torrent
2021-03-15 13:53:51 INFO::SEARCHQUEUE-BJM7FLP57K-BACKLOG-153021-TheTVDB::Unknown exception in url http://localhost:30067/gui/ Error: ‘utf-8’ codec can’t decode byte 0x90 in position 5006: invalid start byte

What version of sickrage are you using?