Unuseable tab panels in user profile
From Joomla! Documentation
Websites without two factor authentication, updating to Joomla 3.9.22 results in a broken backend user profile edit page.
Versions affected[edit]
General Information
This pertains only to Joomla! version(s): 3.9.22
What is the cause[edit]
An issue was missed whilst testing the new two factor configuration for user profiles in the backend make the view unusable if no 2fa plugin is active.
How to fix[edit]
Update to Joomla 3.9.23. In the meantime activate Two Factor Authentication or you can apply the code change here to the administrator/components/com_admin/views/profile/tmpl/edit.php file.