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This happen when I try to validate the 13/13. Why does it happen?


Maybe you're doing something really unintended in your code that upsets the system, or maybe it's just the system's fault, and then you'd refresh.

Any non-ascii characters in the code?

I don't remember what exactly triggers that message but that's the kind of stuff I'd look for.


I just gave up and started that exercice again, thank you anyway!