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What is this?

Why does it show this red tab over here?:

And when I reload, it goes back to normal. Why?


Sometimes if you have a slow connection or your code has a serious error, it will crash the IDE. Try to prevent that from happening by ensuring your code loops actually end and not fetching too many requests from any apis you might be using.


Sometimes that happens because replit made an error.
Don't forget to actually read the popup lol