We are unable to create customer on our JIRA Service Desk, even with public signup enabled. Agents can´t create them, Project Lead neither,
via mail nothing gets created


and SignUp from the Service Desk itself throws the error "Sign up not available"

Here are our settings:

The logs werent helpfull at all. Anyone else had this issue?
Furthermore im unable to create issues on jira.atlassian.com
so im really stuck now
Greeting
Benny