[Bitrix\Main\DB\SqlQueryException] Mysql query error: (2006) MySQL server has gone away (400) SELECT FROM_MODULE_ID, MESSAGE_ID, SORT, TO_MODULE_ID, TO_PATH, TO_CLASS, TO_METHOD, TO_METHOD_ARG, VERSION FROM b_module_to_module m2m INNER JOIN b_module m ON (m2m.TO_MODULE_ID = m.ID) ORDER BY SORT /home/bitrix/www/bitrix/modules/main/lib/db/mysqliconnection.php:137 #0: Bitrix\Main\DB\MysqliConnection->queryInternal(string, array, NULL) /home/bitrix/www/bitrix/modules/main/lib/db/connection.php:329 #1: Bitrix\Main\DB\Connection->query(string) /home/bitrix/www/bitrix/modules/main/lib/eventmanager.php:242 #2: Bitrix\Main\EventManager->loadEventHandlers() /home/bitrix/www/bitrix/modules/main/lib/eventmanager.php:340 #3: Bitrix\Main\EventManager->findEventHandlers(string, string) /home/bitrix/www/bitrix/modules/main/classes/general/module.php:340 #4: GetModuleEvents(string, string, boolean) /home/bitrix/www/bitrix/modules/main/include.php:288 #5: require_once(string) /home/bitrix/www/bitrix/modules/main/include/prolog_before.php:14 #6: require(string) /home/bitrix/www/country/index.php:1 #7: include_once(string) /home/bitrix/www/bitrix/modules/main/include/urlrewrite.php:159 #8: include_once(string) /home/bitrix/www/bitrix/urlrewrite.php:2