Warning: [mysql error 145] Table './photogallery/piwigo_images' is marked as crashed and should be repaired

SELECT * FROM piwigo_images
  WHERE id=31587
; in /webapp/photogallery/include/dblayer/functions_mysqli.inc.php on line 832
Fatal error: Call to a member function fetch_assoc() on a non-object in /webapp/photogallery/include/dblayer/functions_mysqli.inc.php on line 213