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

SELECT *
  FROM piwigo_search
  WHERE search_uuid = 'psk-20240429-6TbQeqT368'
; in /var/www/vhosts/geographie.net/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/geographie.net/httpdocs/include/dblayer/functions_mysqli.inc.php:913 Stack trace: #0 /var/www/vhosts/geographie.net/httpdocs/include/functions_search.inc.php(45): query2array() #1 /var/www/vhosts/geographie.net/httpdocs/include/functions_search.inc.php(85): get_search_info() #2 /var/www/vhosts/geographie.net/httpdocs/include/functions_search.inc.php(1693): get_search_array() #3 /var/www/vhosts/geographie.net/httpdocs/include/section_init.inc.php(364): get_search_results() #4 /var/www/vhosts/geographie.net/httpdocs/index.php(12): include('/var/www/vhosts...') #5 {main} thrown in /var/www/vhosts/geographie.net/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('038708nd4vmjlrebcf21bakvs2b8br','pwg_device|s:7:\"desktop\";pwg_mobile_theme|b:0;pwg_lang_switch|s:5:\"et_EE\";',now())
; in /var/www/vhosts/geographie.net/httpdocs/include/dblayer/functions_mysqli.inc.php on line 847