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    Fatal error occurred

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    • L
      LindzB
      last edited by

      fatal error occurred: Could not open COM3, the port is busy or doesn't exist.
      (could not open port 'COM3': PermissionError(13, 'Access is denied.', None, 5))

      Please, I need help in correcting this error.

      robskiR 1 Reply Last reply Reply Quote 0
      • robskiR
        robski @LindzB
        last edited by

        @LindzB said in Fatal error occurred:

        fatal error occurred: Could not open COM3, the port is busy or doesn't exist.
        (could not open port 'COM3': PermissionError(13, 'Access is denied.', None, 5))

        Please, I need help in correcting this error.

        Are you using M5Burner? is com3 detected in it for your device? is there diff software with your com port 3 opened in it in the background? lack of info about your hardware/software setup really

        M5StickC, M5StickCPlus, M5StickCplus2,M5GO, M5Core, M5Tough, M5Core2, M5 Demo Board, M5Dial, M5Paper, M5Atom, M5Cardputer, M5StampS3, CoreMP135, StamPLC, AirQ, M5Tab

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