[Bitrix\Main\DB\SqlQueryException] 
Mysql query error: (2006) MySQL server has gone away (400)

				SELECT TAG
				FROM b_cache_tag
				WHERE SITE_ID = 's1'
				AND CACHE_SALT = '/59d'
				AND RELATIVE_PATH = '/'
			
/home/bitrix/www/bitrix/modules/main/lib/db/mysqliconnection.php:146
#0: Bitrix\Main\DB\MysqliConnection->queryInternal(string, array, NULL)
	/home/bitrix/www/bitrix/modules/main/lib/db/connection.php:327
#1: Bitrix\Main\DB\Connection->query(string)
	/home/bitrix/www/bitrix/modules/main/lib/data/taggedcache.php:44
#2: Bitrix\Main\Data\TaggedCache->initDbCache(string)
	/home/bitrix/www/bitrix/modules/main/lib/data/taggedcache.php:96
#3: Bitrix\Main\Data\TaggedCache->endTagCache()
	/home/bitrix/www/bitrix/modules/main/classes/general/cache.php:455
#4: CCacheManager->EndTagCache()
	/home/bitrix/www/bitrix/components/dresscode/catalog.item/component.php:546
#5: include(string)
	/home/bitrix/www/bitrix/modules/main/classes/general/component.php:607
#6: CBitrixComponent->__includeComponent()
	/home/bitrix/www/bitrix/modules/main/classes/general/component.php:684
#7: CBitrixComponent->includeComponent(string, array, boolean, boolean)
	/home/bitrix/www/bitrix/modules/main/classes/general/main.php:1072
#8: CAllMain->IncludeComponent(string, string, array, boolean, array)
	/home/bitrix/www/bitrix/templates/dresscode/components/bitrix/catalog/.default/element.php:152
#9: include(string)
	/home/bitrix/www/bitrix/modules/main/classes/general/component_template.php:790
#10: CBitrixComponentTemplate->__IncludePHPTemplate(array, array, string)
	/home/bitrix/www/bitrix/modules/main/classes/general/component_template.php:885
#11: CBitrixComponentTemplate->IncludeTemplate(array)
	/home/bitrix/www/bitrix/modules/main/classes/general/component.php:775
#12: CBitrixComponent->showComponentTemplate()
	/home/bitrix/www/bitrix/modules/main/classes/general/component.php:716
#13: CBitrixComponent->includeComponentTemplate(string)
	/home/bitrix/www/bitrix/components/bitrix/catalog/component.php:171
#14: include(string)
	/home/bitrix/www/bitrix/modules/main/classes/general/component.php:607
#15: CBitrixComponent->__includeComponent()
	/home/bitrix/www/bitrix/modules/main/classes/general/component.php:684
#16: CBitrixComponent->includeComponent(string, array, boolean, boolean)
	/home/bitrix/www/bitrix/modules/main/classes/general/main.php:1072
#17: CAllMain->IncludeComponent(string, string, array, boolean)
	/home/bitrix/www/catalog/index.php:8539
#18: include_once(string)
	/home/bitrix/www/bitrix/modules/main/include/urlrewrite.php:174
#19: include_once(string)
	/home/bitrix/www/bitrix/urlrewrite.php:2
----------

Fatal error: Uncaught Bitrix\Main\DB\SqlQueryException: Mysql query error: (2006) MySQL server has gone away in /home/bitrix/www/bitrix/modules/main/lib/db/mysqliconnection.php:146 Stack trace: #0 /home/bitrix/www/bitrix/modules/main/lib/db/connection.php(327): Bitrix\Main\DB\MysqliConnection->queryInternal('\n\t\t\t\tSELECT NAM...', Array, NULL) #1 /home/bitrix/www/bitrix/modules/main/lib/config/option.php(209): Bitrix\Main\DB\Connection->query('\n\t\t\t\tSELECT NAM...') #2 /home/bitrix/www/bitrix/modules/main/lib/config/option.php(83): Bitrix\Main\Config\Option::load('concept.quiz') #3 /home/bitrix/www/bitrix/modules/main/lib/config/option.php(32): Bitrix\Main\Config\Option::getRealValue('concept.quiz', 'wqec_show_pages', 's1') #4 /home/bitrix/www/bitrix/modules/main/classes/general/option.php(25): Bitrix\Main\Config\Option::get('concept.quiz', 'wqec_show_pages', false, 's1') #5 /home/bitrix/www/bitrix/modules/concept.quiz/classes/general/addwqec.php(233): CAllOption::GetOptionString('concept.quiz', 'wqec_show_pages', f in /home/bitrix/www/bitrix/modules/main/lib/db/mysqliconnection.php on line 146