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

SELECT data
  FROM piwigo_sessions
  WHERE id = '1261qtj7rhas2hadnudim9o8r3o2l3'
; in /www/sofisoft.net/albums/include/dblayer/functions_mysqli.inc.php on line 847