Banned from Microsoft Community

I already applied for the free DP-600 exam voucher and joined the Microsoft Fabric Community with my personal account but today I got following error after login

We're sorry, but you have been banned from using this site.

You have been banned for the following reason:

The Community team has decided to permanently ban your account due to spam in the community. You can find information on community rules and regulations in the Microsoft Code of Conduct and in our Join the Community' support article https://answers.microsoft.com/en-us/page/faq#faq CodeConduct1 https://community.fabric.microsoft.com/t5/Community-Accounts-Registration/Join-the-Community/ta-p/32...

I didn't post anything so please let me know how was I marked as spam?

Please advise,