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

INSERT INTO piwigo_history
  (
    date,
    time,
    user_id,
    IP,
    section,
    category_id,
    search_id,
    image_id,
    image_type,
    format_id,
    auth_key_id,
    tag_ids
  )
  VALUES
  (
    CURRENT_DATE,
    CURRENT_TIME,
    2,
    '18.225.149.232',
    'search',
    NULL,
    35154,
    NULL,
    NULL,
    NULL,
    NULL,
    NULL
  )
; in /home/ahenrotr/www/piwigo/include/dblayer/functions_mysqli.inc.php on line 847

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

SELECT
    *
  FROM piwigo_history_summary
  WHERE history_id_to IS NOT NULL
  ORDER BY history_id_to DESC
  LIMIT 1
; in /home/ahenrotr/www/piwigo/include/dblayer/functions_mysqli.inc.php on line 847

Fatal error: Uncaught Error: Call to a member function fetch_assoc() on bool in /home/ahenrotr/www/piwigo/include/dblayer/functions_mysqli.inc.php:913 Stack trace: #0 /home/ahenrotr/www/piwigo/admin/include/functions_history.inc.php(181): query2array('\nSELECT\n *\n ...') #1 /home/ahenrotr/www/piwigo/include/functions.inc.php(547): history_summarize(50000) #2 /home/ahenrotr/www/piwigo/index.php(723): pwg_log() #3 {main} thrown in /home/ahenrotr/www/piwigo/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('12E1f273dbf4d44f956a69b52d50182ab752','pwg_device|s:7:\"desktop\";pwg_mobile_theme|b:0;pwg_lang_switch|s:5:\"tr_TR\";',now())
; in /home/ahenrotr/www/piwigo/include/dblayer/functions_mysqli.inc.php on line 847