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

SELECT data
  FROM hades_sessions
  WHERE id = 'D84971prrvs6tr64i108mutj3mqlb7'
; in /home/ivo/domains/hades.palmboys.nl/public_html/piwigo/include/dblayer/functions_mysqli.inc.php on line 830

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

REPLACE INTO hades_sessions
  (id,data,expiration)
  VALUES('D84971prrvs6tr64i108mutj3mqlb7','pwg_device|s:7:\"desktop\";pwg_mobile_theme|b:0;',now())
; in /home/ivo/domains/hades.palmboys.nl/public_html/piwigo/include/dblayer/functions_mysqli.inc.php on line 830