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

SELECT data
  FROM piwigo_sessions
  WHERE id = '12CDqggko02snmmaqqhdfhm6jfmq87'
; in /var/www/html/include/dblayer/functions_mysqli.inc.php on line 798

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

SELECT DISTINCT(image_id)
  FROM piwigo_image_category
    INNER JOIN piwigo_images ON id = image_id
  WHERE
    category_id = 3
AND (category_id NOT IN (37,46,50,51,52,79,80,106,114,123,124,134,137,138,144,146,148,158,166,190,192,210,213,225,229,245,247,255,258,261,266,267,269,270,273,275,284,285,287,292,299,303,307,311,312,316,321,322,323,328,330,332,333,334,339,340,341,349,353,356,358,373,374,378,385,387,388,393,394,396,410,415,426,432,433,437,438,439,441,443,447,448,450,451,452,454,456,458,459,462,465,469,472,473,475,477,478,481,483,487,489,491,492,494,495,496,497,499,500,502,503,505,508,509,511,518,522,525,530,531,533,539,541,542,543,545,546,548,549,551,552,554,555,558,561,562,563,565,571,572,575,576,579,580,584,585,586,587,589,590,592,594,599,603,605,606,607,610,611,616,617,618,619,621,622,629,634,637,639,640,641,643,644,646,648,651,652,654,655,657,661,662,666,667,668,669,671,676,678,679,680,681,684,686,689,690, in /var/www/html/include/dblayer/functions_mysqli.inc.php on line 798

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

REPLACE INTO piwigo_sessions
  (id,data,expiration)
  VALUES('12CDqggko02snmmaqqhdfhm6jfmq87','pwg_device|s:7:\"desktop\";pwg_mobile_theme|b:0;',now())
; in /var/www/html/include/dblayer/functions_mysqli.inc.php on line 798