

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

SELECT data
  FROM piwigo_sessions
  WHERE id = '0A0Ai9b6om55e8i1i2g0n8mu2c5ck5'
; 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