Ticket #25166: 25166.diff

src/wp-includes/ms-functions.php

@@ -899 +899 @@
         if ( is_wp_error( $user_id ) )
                 return false;
 
-        $user = new WP_User( $user_id );
-
         // Newly created users have no roles or caps until they are added to a blog.
-        delete_user_option( $user_id, $user->cap_key );
+        delete_user_option( $user_id, 'capabilities' );
         delete_user_option( $user_id, 'user_level' );
 
         do_action( 'wpmu_new_user', $user_id );