[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
    			
    /var/www/www-root/data/www/server-expert.com/bitrix/modules/main/lib/db/mysqliconnection.php:137
    #0: Bitrix\Main\DB\MysqliConnection->queryInternal(string, array, NULL)
    	/var/www/www-root/data/www/server-expert.com/bitrix/modules/main/lib/db/connection.php:330
    #1: Bitrix\Main\DB\Connection->query(string)
    	/var/www/www-root/data/www/server-expert.com/bitrix/modules/main/lib/eventmanager.php:230
    #2: Bitrix\Main\EventManager->loadEventHandlers()
    	/var/www/www-root/data/www/server-expert.com/bitrix/modules/main/lib/eventmanager.php:333
    #3: Bitrix\Main\EventManager->findEventHandlers(string, string, NULL)
    	/var/www/www-root/data/www/server-expert.com/bitrix/modules/main/lib/eventmanager.php:368
    #4: Bitrix\Main\EventManager->send(object)
    	/var/www/www-root/data/www/server-expert.com/bitrix/modules/main/lib/event.php:142
    #5: Bitrix\Main\Event->send()
    	/var/www/www-root/data/www/server-expert.com/bitrix/modules/main/classes/general/usertype.php:1283
    #6: CUserTypeManager->getEntityList()
    	/var/www/www-root/data/www/server-expert.com/bitrix/modules/main/lib/orm/entity.php:304
    #7: Bitrix\Main\ORM\Entity->postInitialize()
    	/var/www/www-root/data/www/server-expert.com/bitrix/modules/main/lib/orm/entity.php:126
    #8: Bitrix\Main\ORM\Entity::getInstanceDirect(string)
    	/var/www/www-root/data/www/server-expert.com/bitrix/modules/main/lib/orm/entity.php:104
    #9: Bitrix\Main\ORM\Entity::getInstance(string)
    	/var/www/www-root/data/www/server-expert.com/bitrix/modules/main/lib/orm/data/datamanager.php:81
    #10: Bitrix\Main\ORM\Data\DataManager::getEntity()
    	/var/www/www-root/data/www/server-expert.com/bitrix/modules/main/lib/orm/data/datamanager.php:549
    #11: Bitrix\Main\ORM\Data\DataManager::query()
    	/var/www/www-root/data/www/server-expert.com/bitrix/modules/main/lib/orm/data/datamanager.php:440
    #12: Bitrix\Main\ORM\Data\DataManager::getList(array)
    	/var/www/www-root/data/www/server-expert.com/bitrix/components/dresscode/sale.geo.positiion/component.php:31
    #13: include(string)
    	/var/www/www-root/data/www/server-expert.com/bitrix/modules/main/classes/general/component.php:605
    #14: CBitrixComponent->__includeComponent()
    	/var/www/www-root/data/www/server-expert.com/bitrix/modules/main/classes/general/component.php:680
    #15: CBitrixComponent->includeComponent(string, array, boolean, boolean)
    	/var/www/www-root/data/www/server-expert.com/bitrix/modules/main/classes/general/main.php:1041
    #16: CAllMain->IncludeComponent(string, string, array, boolean, array)
    	/var/www/www-root/data/www/server-expert.com/bitrix/templates/dresscodeV2_copy/headers/header5/template.php:12
    #17: require_once(string)
    	/var/www/www-root/data/www/server-expert.com/bitrix/templates/dresscodeV2_copy/header.php:65
    #18: include_once(string)
    	/var/www/www-root/data/www/server-expert.com/bitrix/modules/main/include/prolog_after.php:106
    #19: include(string)
    	/var/www/www-root/data/www/server-expert.com/bitrix/modules/main/classes/general/main.php:285
    #20: CAllMain->AuthForm(boolean)
    	/var/www/www-root/data/www/server-expert.com/bitrix/modules/main/include.php:606
    #21: require_once(string)
    	/var/www/www-root/data/www/server-expert.com/bitrix/modules/main/include/prolog_before.php:14
    #22: require_once(string)
    	/var/www/www-root/data/www/server-expert.com/bitrix/modules/main/include/prolog.php:9
    #23: require_once(string)
    	/var/www/www-root/data/www/server-expert.com/bitrix/header.php:1
    #24: require(string)
    	/var/www/www-root/data/www/server-expert.com/auth/index.php:3
    

    Fatal error: Uncaught Bitrix\Main\DB\SqlQueryException: Mysql query error: (2006) MySQL server has gone away in /var/www/www-root/data/www/server-expert.com/bitrix/modules/main/lib/db/mysqliconnection.php:137 Stack trace: #0 /var/www/www-root/data/www/server-expert.com/bitrix/modules/main/lib/db/connection.php(330): Bitrix\Main\DB\MysqliConnection->queryInternal('\n\t\t\t\tSELECT FRO...', Array, NULL) #1 /var/www/www-root/data/www/server-expert.com/bitrix/modules/main/lib/eventmanager.php(230): Bitrix\Main\DB\Connection->query('\n\t\t\t\tSELECT FRO...') #2 /var/www/www-root/data/www/server-expert.com/bitrix/modules/main/lib/eventmanager.php(333): Bitrix\Main\EventManager->loadEventHandlers() #3 /var/www/www-root/data/www/server-expert.com/bitrix/modules/main/classes/general/module.php(330): Bitrix\Main\EventManager->findEventHandlers('main', 'OnBeforeEndBuff...') #4 /var/www/www-root/data/www/server-expert.com/bitrix/modules/main/classes/general/main.php(3165): GetModuleEvents('main', 'OnBeforeEndBuff...', true) #5 [inter in /var/www/www-root/data/www/server-expert.com/bitrix/modules/main/lib/db/mysqliconnection.php on line 137