[Bitrix\Main\DB\ConnectionException] Mysql connect error [localhost]: (2006) MySQL server has gone away (400) /var/www/vhosts/tdabris.ru/httpdocs/bitrix/modules/main/lib/db/mysqliconnection.php:65 #0: Bitrix\Main\DB\MysqliConnection->connectInternal /var/www/vhosts/tdabris.ru/httpdocs/bitrix/modules/main/lib/db/mysqliconnection.php:122 #1: Bitrix\Main\DB\MysqliConnection->queryInternal /var/www/vhosts/tdabris.ru/httpdocs/bitrix/modules/main/lib/db/connection.php:330 #2: Bitrix\Main\DB\Connection->query /var/www/vhosts/tdabris.ru/httpdocs/bitrix/modules/main/lib/db/connection.php:358 #3: Bitrix\Main\DB\Connection->queryScalar /var/www/vhosts/tdabris.ru/httpdocs/bitrix/modules/security/lib/session.php:114 #4: Bitrix\Security\SessionTable::lock /var/www/vhosts/tdabris.ru/httpdocs/bitrix/modules/security/classes/general/session_db.php:52 #5: CSecuritySessionDB::read /var/www/vhosts/tdabris.ru/httpdocs/bitrix/modules/security/classes/general/session_handler.php:23 #6: CSecuritySessionHandler->read #7: session_start /var/www/vhosts/tdabris.ru/httpdocs/bitrix/modules/main/lib/session/session.php:130 #8: Bitrix\Main\Session\Session->start /var/www/vhosts/tdabris.ru/httpdocs/bitrix/modules/main/lib/session/kernelsessionproxy.php:52 #9: Bitrix\Main\Session\KernelSessionProxy->start /var/www/vhosts/tdabris.ru/httpdocs/bitrix/modules/main/include.php:299 #10: require_once(string) /var/www/vhosts/tdabris.ru/httpdocs/bitrix/modules/main/include/prolog_before.php:14 #11: require_once(string) /var/www/vhosts/tdabris.ru/httpdocs/bitrix/modules/main/include/prolog.php:10 #12: require_once(string) /var/www/vhosts/tdabris.ru/httpdocs/bitrix/header.php:1 #13: require(string) /var/www/vhosts/tdabris.ru/httpdocs/izdatelstvo/index.php:2