[Bitrix\Main\DB\SqlQueryException] 
Mysql query error: MySQL server has gone away (400)
SET collation_connection = "utf8_unicode_ci"
/home/bitrix/www/bitrix/modules/main/lib/db/mysqlconnection.php:116
#0: Bitrix\Main\DB\MysqlConnection->queryInternal(string, array, NULL)
	/home/bitrix/www/bitrix/modules/main/lib/db/connection.php:329
#1: Bitrix\Main\DB\Connection->query(string, NULL)
	/home/bitrix/www/bitrix/modules/main/lib/db/connection.php:378
#2: Bitrix\Main\DB\Connection->queryExecute(string)
	/home/bitrix/www/bitrix/php_interface/after_connect_d7.php:4
#3: include(string)
	/home/bitrix/www/bitrix/modules/main/lib/db/connection.php:920
#4: Bitrix\Main\DB\Connection->afterConnected()
	/home/bitrix/www/bitrix/modules/main/lib/db/mysqlconnection.php:64
#5: Bitrix\Main\DB\MysqlConnection->connectInternal()
	/home/bitrix/www/bitrix/modules/main/lib/data/connection.php:53
#6: Bitrix\Main\Data\Connection->getResource()
	/home/bitrix/www/bitrix/modules/main/lib/db/mysqlsqlhelper.php:21
#7: Bitrix\Main\DB\MysqlSqlHelper->forSql(string)
	/home/bitrix/www/bitrix/modules/main/lib/eventmanager.php:167
#8: Bitrix\Main\EventManager->registerEventHandlerInternal(string, string, string, string, string, integer, string, array, integer)
	/home/bitrix/www/bitrix/modules/main/lib/eventmanager.php:156
#9: Bitrix\Main\EventManager->registerEventHandlerCompatible(string, string, string, string, string, integer, string, array)
	/home/bitrix/www/bitrix/modules/main/classes/general/module.php:507
#10: RegisterModuleDependences(string, string, string, string, string, integer)
	/home/bitrix/www/bitrix/modules/cleantalk.antispam/include.php:25
#11: include_once(string)
	/home/bitrix/www/bitrix/modules/main/lib/loader.php:109
#12: Bitrix\Main\Loader::includeModuleInternal(string)
	/home/bitrix/www/bitrix/modules/main/lib/loader.php:96
#13: Bitrix\Main\Loader::includeModule(string)
	/home/bitrix/www/bitrix/modules/main/classes/general/module.php:261
#14: CModule::IncludeModule(string)
	/home/bitrix/www/bitrix/modules/main/classes/general/module.php:444
#15: ExecuteModuleEventEx(array)
	/home/bitrix/www/bitrix/modules/main/include.php:289
#16: require_once(string)
	/home/bitrix/www/bitrix/modules/main/include/prolog_before.php:14
#17: require_once(string)
	/home/bitrix/www/bitrix/modules/main/include/prolog.php:10
#18: require_once(string)
	/home/bitrix/www/bitrix/header.php:1
#19: require(string)
	/home/bitrix/www/catalog/index.php:2
#20: include_once(string)
	/home/bitrix/www/bitrix/modules/main/include/urlrewrite.php:159
#21: include_once(string)
	/home/bitrix/www/bitrix/urlrewrite.php:2