Have you managed to resolve this? To avoid users locking themselves out, organisations must always have at least a admin. If this user has left your company and their (Atlassian) account is inactive, then Atlassian should be able to help.
If the user is still active, then s/he will need to transfer the organization admin rights to another user first.
Based on your valuable feedback, we have released several new features to help you gain administrative flexibility with authentication policies, visibility into shadow IT with automatic product disco...
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