Profile::pre_deleteItem PHP Method

    function pre_deleteItem()
    {
        global $DB;
        if ($this->fields['profile'] & DELETE && countElementsInTable("glpi_profilerights", "`name` = 'profile' AND `rights` & " . DELETE)) {
            Session::addMessageAfterRedirect(__("This profile is the last with write rights on profiles"), false, ERROR);
            Session::addMessageAfterRedirect(__("Deletion refused"), false, ERROR);
            return false;
        }
        return true;
    }