DB query error. Please try later.

Fatal error: Uncaught exception 'Bitrix\Main\DB\SqlQueryException' with message 'Mysql query error: MySQL server has gone away' in /var/www/vhosts/spine-store.ru/httpdocs/bitrix/modules/main/lib/db/mysqlconnection.php:116 Stack trace: #0 /var/www/vhosts/spine-store.ru/httpdocs/bitrix/modules/main/lib/db/connection.php(329): Bitrix\Main\DB\MysqlConnection->queryInternal('SELECT 'x' FROM...', Array, NULL) #1 /var/www/vhosts/spine-store.ru/httpdocs/bitrix/modules/main/lib/eventmanager.php(186): Bitrix\Main\DB\Connection->query('SELECT 'x' FROM...') #2 /var/www/vhosts/spine-store.ru/httpdocs/bitrix/modules/main/lib/eventmanager.php(156): Bitrix\Main\EventManager->registerEventHandlerInternal('sale', 'OnSaleCancelOrd...', 'tcsbank.kupivkr...', 'CTCSBank', 'OnCancelOrder', 100, '', Array, 1) #3 /var/www/vhosts/spine-store.ru/httpdocs/bitrix/modules/main/classes/general/module.php(507): Bitrix\Main\EventManager->registerEventHandlerCompatible('sale', 'OnSaleCancelOrd...', 'tcsbank.kupivkr...', 'CTCSBank', 'OnCancelOrder', 100, ' in /var/www/vhosts/spine-store.ru/httpdocs/bitrix/modules/main/lib/db/mysqlconnection.php on line 116