Warning:  [mysql error 2006] MySQL server has gone away

UPDATE
  piwigo_images
  SET hit = hit+1, lastmodified = lastmodified
  WHERE id = 2796
; in /var/www/vhosts/bahnhofssanierung.de/httpdocs/include/dblayer/functions_mysqli.inc.php on line 847




Warning:  [mysql error 2006] MySQL server has gone away

SELECT id,uppercats,commentable,visible,status,global_rank
  FROM piwigo_image_category
    INNER JOIN piwigo_categories ON category_id = id
  WHERE image_id = 2796
AND (id NOT IN (497,412,381,377,374,361,292,241))
; in /var/www/vhosts/bahnhofssanierung.de/httpdocs/include/dblayer/functions_mysqli.inc.php on line 847

Fatal error: Uncaught Error: Call to a member function fetch_assoc() on bool in /var/www/vhosts/bahnhofssanierung.de/httpdocs/include/dblayer/functions_mysqli.inc.php:913 Stack trace: #0 /var/www/vhosts/bahnhofssanierung.de/httpdocs/include/functions.inc.php(1700): query2array() #1 /var/www/vhosts/bahnhofssanierung.de/httpdocs/picture.php(444): array_from_query() #2 {main} thrown in /var/www/vhosts/bahnhofssanierung.de/httpdocs/include/dblayer/functions_mysqli.inc.php on line 913


Warning:  [mysql error 2006] MySQL server has gone away

REPLACE INTO piwigo_sessions
  (id,data,expiration)
  VALUES('D849kv2jve1bh5efn0rdlom7f7fj8l','pwg_show_metadata|b:1;pwg_index_deriv|s:5:\"thumb\";pwg_device|s:7:\"desktop\";pwg_referer_image_id|s:4:\"2796\";pwg_image_order|i:10;',now())
; in /var/www/vhosts/bahnhofssanierung.de/httpdocs/include/dblayer/functions_mysqli.inc.php on line 847