As it turns out, this error was
actually caused by the Automatic Thread Tagger plugin. As seen in this thread many users also had these issues:
https://vborg.vbsupport.ru/showthrea...201156&page=17
Not entirely sure why disabling the likes system caused the error to go away, but I can only assume it stopped the conflict between tagger plugin->likes system-> edit feature. Nonetheless, thanks for everyones help.