MySteinberg ID is permanently locked

I tried to change my email to my friend’s one and MySteinberg says ’
Your account has been temporarily locked. Try again in 2 minutes.’
What’s the matter? I can’t sign in for 50 minutes! And I don’t know how to contact with Steinberg directly.
HELP please HELP

https://helpcenter.steinberg.de/hc/en-us/articles/206530864

Regards :sunglasses: