I just get a message that my account is blocked. And they didn't mentioned the reason. I need help to get back my contributor account.

The same thing happened. not sure what was the cause

If you ever read this thread, you are going to get the same answer that everybody else gets. We are contributors. There is nothing we can do to help you. You need to put an appeal in and contact support. 

Reasons for deactivation can vary.

Specific TERMS are covered in your Contributor User Guide. 

• https://helpx.adobe.com/stock/contributor/content-policies-guidelines/content-policies/content-submission-requirements.html
• https://www.adobe.com/go/contributor-agreement