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

SELECT data
  FROM piwigo_sessions
  WHERE id = '12CFl84lfje5sltlkbanpg8f3r0mj5'
; in /hsphere/local/home/gdeanger/anger.gv.at/galerie/include/dblayer/functions_mysqli.inc.php on line 845
Fatal error: Call to a member function fetch_assoc() on a non-object in /hsphere/local/home/gdeanger/anger.gv.at/galerie/include/dblayer/functions_mysqli.inc.php on line 226
Warning: [mysql error 145] Table './gdeange_piwigo/piwigo_sessions' is marked as crashed and should be repaired

REPLACE INTO piwigo_sessions
  (id,data,expiration)
  VALUES('12CFl84lfje5sltlkbanpg8f3r0mj5','',now())
; in /hsphere/local/home/gdeanger/anger.gv.at/galerie/include/dblayer/functions_mysqli.inc.php on line 845