Nitrokey Pro no factory setting possible

Hello all. I use a Nitrokey Pro 2 and I forgot my access. Ok.

Now I want to reset to factory settings and followed the manual

gpg --card-edit

I then got the following feedback:
gpg: selecting card failed: no suitable device found
gpg: OpenPGP card is not available: No suitable device found

At this point my attempt to reset the stick is then finished, or is there still an alternative way?

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