[Bitrix\Main\DB\SqlQueryException] 
Mysql query error: MySQL server has gone away (400)
SELECT 
	`highloadblock_highload_block`.`ID` AS `ID`,
	`highloadblock_highload_block`.`NAME` AS `NAME`,
	`highloadblock_highload_block`.`TABLE_NAME` AS `TABLE_NAME`
FROM `b_hlblock_entity` `highloadblock_highload_block` 

WHERE `highloadblock_highload_block`.`ID` = 4
/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)
	/home/bitrix/www/bitrix/modules/main/lib/entity/query.php:1769
#2: Bitrix\Main\Entity\Query->query(string)
	/home/bitrix/www/bitrix/modules/main/lib/entity/query.php:454
#3: Bitrix\Main\Entity\Query->exec()
	/home/bitrix/www/bitrix/modules/main/lib/entity/datamanager.php:242
#4: Bitrix\Main\Entity\DataManager::getList(array)
	/home/bitrix/www/bitrix/modules/main/lib/entity/datamanager.php:134
#5: Bitrix\Main\Entity\DataManager::getByPrimary(string)
	/home/bitrix/www/bitrix/modules/main/lib/entity/datamanager.php:145
#6: Bitrix\Main\Entity\DataManager::getById(string)
	/home/bitrix/www/bitrix/modules/abudagov.lastmodified/include.php:115
#7: CAbudagovLastModified->updateHash(string, array)
	/home/bitrix/www/bitrix/modules/abudagov.lastmodified/include.php:219
#8: CAbudagovLastModified::setLastModified(string)
	
#9: call_user_func_array(array, array)
	/home/bitrix/www/bitrix/modules/main/classes/general/module.php:490
#10: ExecuteModuleEventEx(array, array)
	/home/bitrix/www/bitrix/modules/main/classes/general/main.php:3257
#11: CAllMain->EndBufferContent(string)
	/home/bitrix/www/bitrix/modules/main/classes/general/main.php:3197
#12: CAllMain->EndBufferContentMan()
	/home/bitrix/www/bitrix/modules/main/include/epilog_after.php:36
#13: require(string)
	/home/bitrix/www/bitrix/modules/main/include/epilog.php:3
#14: require_once(string)
	/home/bitrix/www/bitrix/footer.php:4
#15: require(string)
	/home/bitrix/www/catalog/index.php:248
#16: include_once(string)
	/home/bitrix/www/bitrix/modules/main/include/urlrewrite.php:159
#17: include_once(string)
	/home/bitrix/www/bitrix/urlrewrite.php:2