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  • Custom User Avatar

    I saw a similar error using PHP when I output huge amount of print_r() or var_dump() messages (quick debugging for me).
    Propably because passed tests print this messages anyway (send them to browser)

  • Custom User Avatar

    I saw a similar error using Javascript. I had an error in my code that had nothing to do with JSON. I fixed the error and everything worked.

  • Default User Avatar

    What language are you using? And please verify your code as JSON wasn't used at all in the TestCases and Solution. Did you by any means use JSON in your solution?