Trouble registering students
Hello! I've been trying to register a student but every time I write the username a red box appears, no matter what I write there. How can I solve this problem? Thank you
Anna Misztela
Poland
04/6/2022
It's red because somebody has already chosen that username. You have to add one or two more letters or a number, but it won't turn white on its own. You have to click any other box to check if it is ok.
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