If there an js error occurred the replit console tab display only something like


If tampermonkey plugin is running it displays three additional errors like above without any explanation to the error, like above. I have already created a post about that some time ago here: https://repl.it/feedback/p/html-css-js-session-hijacks-console-and-fails-at-it-on-chrome-with-tampermonkey it is similar with firefox