Ticket #4577: 4577.diff

bp-groups/bp-groups-template.php

@@ -1624 +1624 @@
                         return false;
 
                 // Already a member
-                if ( $group->is_member ) {
+                if ( isset( $group->is_member ) && $group->is_member ) {
 
                         // Stop sole admins from abandoning their group
                         $group_admins = groups_get_group_admins( $group->id );