Warning: [mysql error 145] Table './hnypuhk1_gallery/piwigo_sessions' is marked as crashed and should be repaired

SELECT data
  FROM piwigo_sessions
  WHERE id = '12E8pp1lqa5n158mj59qk30vqcc6g3'
; in /var/www/html/gallery/include/dblayer/functions_mysql.inc.php on line 759
Warning: mysql_fetch_assoc() expects parameter 1 to be resource, boolean given in /var/www/html/gallery/include/dblayer/functions_mysql.inc.php on line 154 15 Most visited | 相簿 - 九龍城浸信會禧年(恩平)小學 
Warning: [mysql error 145] Table './hnypuhk1_gallery/piwigo_sessions' is marked as crashed and should be repaired

REPLACE INTO piwigo_sessions
  (id,data,expiration)
  VALUES('12E8pp1lqa5n158mj59qk30vqcc6g3','pwg_mobile_theme|b:0;pwg_show_metadata|b:1;pwg_device|s:7:\"desktop\";',now())
; in /var/www/html/gallery/include/dblayer/functions_mysql.inc.php on line 759