1. - Edit the files "socialgroupmessage.php" and "socialgroupdiscussion.php" found in "packages/vbforum/item/"
2. - The original function reads:
protected function getLoadQuery($required_query, $force_rebuild = false)
3. - Change the function to this:
protected function getLoadQuery($required_query = self::QUERY_BASIC, $force_rebuild = false)
Use
notepad ++ to edit the file