[Gelöst] I am using CMS multi lingual translator but it dose not work update

Background of the issue:
I am trying to reregister my site to the new account to update the renewal automatically. The issue can be seen at versteckter Link.

Symptoms:
The CMS multilingual translator does not work to update, and the site does not accept the reregistration.

Questions:
Why does the CMS multilingual translator not work to update?
Why does the site not accept the reregistration to the new account?