<![CDATA[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.

]]>https://community.m5stack.com/topic/7836/fatal-error-occurredRSS for NodeTue, 28 Apr 2026 21:12:07 GMTMon, 29 Sep 2025 22:55:06 GMT60<![CDATA[Reply to Fatal error occurred on Tue, 30 Sep 2025 07:14:32 GMT]]>@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

]]>https://community.m5stack.com/post/30012https://community.m5stack.com/post/30012Tue, 30 Sep 2025 07:14:32 GMT