DataTables plugin is missing. Download and extract it to your datatables module directory. See README.txt for more info.', array( '!datatables' => 'http://datatables.net/', '!download' => 'http://datatables.net/releases/DataTables-1.9.0.zip', '!readme' => 'http://drupalcode.org/project/datatables.git/blob_plain/refs/heads/7.x-1.x:/README.txt' ) ); $requirements['datatables']['severity'] = REQUIREMENT_ERROR; } } return $requirements; }