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

SELECT data
  FROM piwigo_sessions
  WHERE id = '36C4l9ipnb8n1gge6ni1n3m0mkrhh6'
; in /var/www/vhosts/FilerWeb05/talonaiguille.fr/httpdocs/piwigo/include/dblayer/functions_mysqli.inc.php on line 832
Warning: [mysql error 145] Table './talona_tac/piwigo_images' is marked as crashed and should be repaired

SELECT DISTINCT(MONTH(date_available)) as period,
  COUNT(DISTINCT id) as nb_images FROM piwigo_images
INNER JOIN piwigo_image_category ON id = image_id
WHERE category_id IN (2,10)
     AND date_available BETWEEN '2016-01-01' AND '2016-12-31 23:59:59'
  GROUP BY period; in /var/www/vhosts/FilerWeb05/talonaiguille.fr/httpdocs/piwigo/include/dblayer/functions_mysqli.inc.php on line 832
Fatal error: Call to a member function fetch_assoc() on a non-object in /var/www/vhosts/FilerWeb05/talonaiguille.fr/httpdocs/piwigo/include/dblayer/functions_mysqli.inc.php on line 880
Warning: [mysql error 145] Table './talona_tac/piwigo_sessions' is marked as crashed and should be repaired

REPLACE INTO piwigo_sessions
  (id,data,expiration)
  VALUES('36C4l9ipnb8n1gge6ni1n3m0mkrhh6','pwg_device|s:7:\"desktop\";pwg_mobile_theme|b:0;',now())
; in /var/www/vhosts/FilerWeb05/talonaiguille.fr/httpdocs/piwigo/include/dblayer/functions_mysqli.inc.php on line 832