Creating a new thing and get error: We were not able to configure your device

When configuring a new thing (Arduino portenta) on the IOT cloud i get the following message :

We were not able to configure your device
Reset before upload: 1200bps Touch: Open port COM14: Invalid serial port

I've restarted the Windows 10 PC, press the button on the front a few times to reset it and i cant get it to work. Any ideas how to fix this?

Thanks

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