fix random notice when autocreating users (#734)

catalyst · Nov 27, 2022 · 1992e3d · 1992e3d
1 parent cbdff8f
commit 1992e3d
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/classes/auth.php b/classes/auth.php
@@ -962,7 +962,7 @@ public function update_user_record_from_attribute_map(&$user, $attributes, $newu
                                 // If can't have accounts with the same emails, check if email is taken before update a new user.
                                 if ($field == 'email' && empty($CFG->allowaccountssameemail)) {
                                     $email = $attributes[$attr][0];
-                                    if ($this->is_email_taken($email, $user->username)) {
+                                    if ($this->is_email_taken($email, $user->username ?? null)) {
                                         $this->log(__FUNCTION__ .
                                             " user '$user->username' email can't be updated as '$email' is taken");
                                         // Warn user that we are not able to update his email.