

Warning:  [mysql error 144] Table './piwigo/piwigo_sessions' is marked as crashed and last (automatic?) repair failed

SELECT data
  FROM piwigo_sessions
  WHERE id = '0A0Af7c3k79r3u3c4dg5i9gs0ae3l5'
; in /var/www/html/piwigo/include/dblayer/functions_mysqli.inc.php on line 856

Fatal error: Call to a member function fetch_assoc() on a non-object in /var/www/html/piwigo/include/dblayer/functions_mysqli.inc.php on line 220