In order for Arduino IDE to upload to the Arduino board, your user account must have write permission for that device. Standard user accounts don't have this permission by default. This error can occur when you attempt an upload without the necessary permissions. So it is necessary to configure your system to allow the upload. This is done by creating a special file.
GreyLimit already shared such a file, which should solve the problem once you do something like logging out and back in after creating it.
Alternatively, Arduino provides an equivalent script that will create and activate the file for you.
I'll provide instructions you can follow to run that script:
- Open the following URL in your web browser:
https://github.com/arduino/ArduinoCore-renesas/blob/main/post_install.sh - Click the downward pointing arrow icon ("Download raw file") at the right side of the toolbar:
- Wait for the download to finish.
- Open a command line terminal in the folder that contains the downloaded file.
- Type the following command:
chmod +x post_install.sh && sudo ./post_install.sh - Press the Enter key.
The command should complete successfully. Now try uploading again. Hopefully the error will no longer occur.