I had to use GDPR to force them to delete one of my accounts because my account got stuck in the registration where I could not complete the registration and co

I had to use GDPR to force them to delete one of my accounts because my account got stuck in the registration where I could not complete the registration and could not delete the registration either. First time I used GDPR for anything. Support did not understand the situation, I waked through them the issue with screenshots, nothing.