[Bitrix\Main\DB\SqlQueryException] 
Mysql query error: (2006) MySQL server has gone away (400)
SELECT 
	`hotlab_microm_microm`.`ID` AS `ID`,
	`hotlab_microm_microm`.`SITE_ID` AS `SITE_ID`,
	`hotlab_microm_microm`.`CODE` AS `CODE`,
	`hotlab_microm_microm`.`VALUE` AS `VALUE`
FROM `hl_microm` `hotlab_microm_microm` 

WHERE UPPER(`hotlab_microm_microm`.`CODE`) like upper('product')
/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/entity/query.php:1924
#2: Bitrix\Main\Entity\Query->query(string)
	/home/bitrix/www/bitrix/modules/main/lib/entity/query.php:505
#3: Bitrix\Main\Entity\Query->exec()
	/home/bitrix/www/bitrix/modules/main/lib/entity/datamanager.php:256
#4: Bitrix\Main\Entity\DataManager::getList(array)
	/home/bitrix/www/bitrix/modules/hotlab.microm/lib/reading/product.php:25
#5: Hotlab\Microm\Reading\Product->__construct(array)
	/home/bitrix/www/bitrix/modules/hotlab.microm/lib/reading/product.php:43
#6: Hotlab\Microm\Reading\Product::getInstance(array)
	/home/bitrix/www/bitrix/modules/hotlab.microm/lib/data.php:60
#7: Hotlab\Microm\Data->__setData()
	/home/bitrix/www/bitrix/modules/hotlab.microm/lib/data.php:27
#8: Hotlab\Microm\Data->__construct()
	/home/bitrix/www/bitrix/modules/hotlab.microm/lib/data.php:34
#9: Hotlab\Microm\Data::pastResult(string)
	/home/bitrix/www/bitrix/modules/main/classes/general/module.php:475
#10: ExecuteModuleEventEx(array, array)
	/home/bitrix/www/bitrix/modules/main/classes/general/main.php:3258
#11: CAllMain->EndBufferContent(string)
	/home/bitrix/www/bitrix/modules/main/classes/general/main.php:3205
#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/product/index.php:128
#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