Warning: Parameter 1 to JHTMLGrid::access() expected to be a reference, value given in C:\xampp\htdocs\test\libraries\joomla\html\html.ph p on line 87

Warning: Parameter 1 to JHTMLGrid::checkedOut() expected to be a reference, value given in C:\xampp\htdocs\test\libraries\joomla\html\html.ph p on line 87

ktoś ma jakiś pomysł jak rozwiązać ten problem?