No Settings access

Clicking Settings under the User tab causes the error “Internal Server Error” Requested ID: XGrOg2MDIvEJfBdQJ-CzjgAAAAg

Everything else seems to work. The windows desktop client works and the files are synced.

Is there any other way to access admin settings?

Log message:

or: Argument 1 passed to OC\Accounts\AccountManager::addMissingDefaultValues() must be of the type array, null given, called in /www/webvol13/ue/76z2dx47nr3adbw/ on line 139