[Bitrix\Main\DB\SqlQueryException] 
Mysql query error: (2006) MySQL server has gone away (400)
SELECT 
	`main_file`.`ID` AS `ID`,
	`main_file`.`TIMESTAMP_X` AS `TIMESTAMP_X`,
	`main_file`.`MODULE_ID` AS `MODULE_ID`,
	`main_file`.`HEIGHT` AS `HEIGHT`,
	`main_file`.`WIDTH` AS `WIDTH`,
	`main_file`.`FILE_SIZE` AS `FILE_SIZE`,
	`main_file`.`CONTENT_TYPE` AS `CONTENT_TYPE`,
	`main_file`.`SUBDIR` AS `SUBDIR`,
	`main_file`.`FILE_NAME` AS `FILE_NAME`,
	`main_file`.`ORIGINAL_NAME` AS `ORIGINAL_NAME`,
	`main_file`.`DESCRIPTION` AS `DESCRIPTION`,
	`main_file`.`HANDLER_ID` AS `HANDLER_ID`,
	`main_file`.`EXTERNAL_ID` AS `EXTERNAL_ID`
FROM `b_file` `main_file` 

WHERE `main_file`.`ID` >= 54950
AND `main_file`.`ID` <= 54959
/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/orm/query/query.php:3398
#2: Bitrix\Main\ORM\Query\Query->query(string)
	/var/www/www-root/data/www/server-expert.com/bitrix/modules/main/lib/orm/query/query.php:825
#3: Bitrix\Main\ORM\Query\Query->exec()
	/var/www/www-root/data/www/server-expert.com/bitrix/modules/main/lib/orm/data/datamanager.php:500
#4: Bitrix\Main\ORM\Data\DataManager::getList(array)
	/var/www/www-root/data/www/server-expert.com/bitrix/modules/main/classes/general/file.php:788
#5: CFile::GetFromCache(string)
	/var/www/www-root/data/www/server-expert.com/bitrix/modules/main/classes/general/file.php:965
#6: CFile::GetFileArray(string)
	/var/www/www-root/data/www/server-expert.com/bitrix/modules/main/classes/general/file.php:1927
#7: CFile::ResizeImageGet(string, array, integer, boolean)
	/var/www/www-root/data/www/server-expert.com/bitrix/components/dresscode/menu.sections/component.php:60
#8: include(string)
	/var/www/www-root/data/www/server-expert.com/bitrix/modules/main/classes/general/component.php:605
#9: CBitrixComponent->__includeComponent()
	/var/www/www-root/data/www/server-expert.com/bitrix/modules/main/classes/general/component.php:680
#10: CBitrixComponent->includeComponent(string, array, boolean, boolean)
	/var/www/www-root/data/www/server-expert.com/bitrix/modules/main/classes/general/main.php:1041
#11: CAllMain->IncludeComponent(string, string, array, boolean)
	/var/www/www-root/data/www/server-expert.com/.left.menu_ext.php:17
#12: include(string)
	/var/www/www-root/data/www/server-expert.com/bitrix/modules/main/classes/general/menu.php:115
#13: CMenu->Init(string, boolean, string)
	/var/www/www-root/data/www/server-expert.com/bitrix/components/bitrix/menu/component.php:53
#14: include(string)
	/var/www/www-root/data/www/server-expert.com/bitrix/modules/main/classes/general/component.php:605
#15: CBitrixComponent->__includeComponent()
	/var/www/www-root/data/www/server-expert.com/bitrix/modules/main/classes/general/component.php:103
#16: CBitrixComponent->executeComponent()
	/var/www/www-root/data/www/server-expert.com/bitrix/modules/main/classes/general/component.php:656
#17: CBitrixComponent->includeComponent(string, array, boolean, boolean)
	/var/www/www-root/data/www/server-expert.com/bitrix/modules/main/classes/general/main.php:1041
#18: CAllMain->IncludeComponent(string, string, array, boolean, array)
	/var/www/www-root/data/www/server-expert.com/bitrix/templates/dresscodeV2_copy/headers/header5/template.php:190
#19: require_once(string)
	/var/www/www-root/data/www/server-expert.com/bitrix/templates/dresscodeV2_copy/header.php:72
#20: include_once(string)
	/var/www/www-root/data/www/server-expert.com/bitrix/modules/main/include/prolog_after.php:106
#21: require(string)
	/var/www/www-root/data/www/server-expert.com/bitrix/modules/main/include/prolog.php:10
#22: require_once(string)
	/var/www/www-root/data/www/server-expert.com/bitrix/header.php:1
#23: require(string)
	/var/www/www-root/data/www/server-expert.com/catalog/index.php:2
#24: include_once(string)
	/var/www/www-root/data/www/server-expert.com/bitrix/modules/main/include/urlrewrite.php:159
#25: include_once(string)
	/var/www/www-root/data/www/server-expert.com/bitrix/urlrewrite.php:2

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('SELECT \n\t`main_...', Array, NULL) #1 /var/www/www-root/data/www/server-expert.com/bitrix/modules/main/lib/orm/query/query.php(3398): Bitrix\Main\DB\Connection->query('SELECT \n\t`main_...') #2 /var/www/www-root/data/www/server-expert.com/bitrix/modules/main/lib/orm/query/query.php(825): Bitrix\Main\ORM\Query\Query->query('SELECT \n\t`main_...') #3 /var/www/www-root/data/www/server-expert.com/bitrix/modules/main/lib/orm/data/datamanager.php(500): Bitrix\Main\ORM\Query\Query->exec() #4 /var/www/www-root/data/www/server-expert.com/bitrix/modules/main/lib/analytics/sitespeed.php(95): Bitrix\Main\ORM\Data\DataManager::getList(Array) #5 /var/www/www-root/data/www/ser in /var/www/www-root/data/www/server-expert.com/bitrix/modules/main/lib/db/mysqliconnection.php on line 137