Moodle 4.3.3 Issue after login. Exception - update_internal_user_password()

[vcciaccounts]

Error message

Exception - update_internal_user_password(): Argument #2 ($password) must be of type string, null given, called in [dirroot]/lib/moodlelib.php on line 4470

Resolution
Adjust the following in line 4470 of /lib/moodlelib.php

            // If the existing hash is using an out-of-date algorithm (or the legacy md5 algorithm), then we should update to
            // the current hash algorithm while we have access to the user's password.
	   update_internal_user_password($user, $password);

to

            // If the existing hash is using an out-of-date algorithm (or the legacy md5 algorithm), then we should update to
            // the current hash algorithm while we have access to the user's password.
            if ($password != null) {
		update_internal_user_password($user, $password);
	    }