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

				SELECT NAME, VALUE 
				FROM b_option 
				WHERE MODULE_ID = 'workflow' 
			
/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:330
#1: Bitrix\Main\DB\Connection->query(string)
	/home/bitrix/www/bitrix/modules/main/lib/config/option.php:196
#2: Bitrix\Main\Config\Option::load(string)
	/home/bitrix/www/bitrix/modules/main/lib/config/option.php:38
#3: Bitrix\Main\Config\Option::get(string, string, string, boolean)
	/home/bitrix/www/bitrix/modules/main/classes/general/option.php:30
#4: CAllOption::GetOptionString(string, string, string)
	/home/bitrix/www/bitrix/modules/iblock/classes/mysql/iblockelement.php:234
#5: CIBlockElement->prepareSql(array, array, boolean, array)
	/home/bitrix/www/bitrix/modules/iblock/classes/mysql/iblockelement.php:662
#6: CIBlockElement::GetList(array, array, boolean, boolean, array)
	/home/bitrix/www/bitrix/php_interface/init.php:181
#7: ProductsRedirects()
	/home/bitrix/www/bitrix/modules/main/classes/general/module.php:475
#8: ExecuteModuleEventEx(array)
	/home/bitrix/www/bitrix/modules/main/include.php:291
#9: require_once(string)
	/home/bitrix/www/bitrix/modules/main/include/prolog_before.php:14
#10: require_once(string)
	/home/bitrix/www/bitrix/modules/main/include/prolog.php:10
#11: require_once(string)
	/home/bitrix/www/bitrix/header.php:1
#12: require(string)
	/home/bitrix/www/catalog/seedling/index.php:2
#13: include_once(string)
	/home/bitrix/www/bitrix/modules/main/include/urlrewrite.php:159
#14: 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:137 Stack trace: #0 /home/bitrix/www/bitrix/modules/main/lib/db/mysqlcommonconnection.php(140): Bitrix\Main\DB\MysqliConnection->queryInternal('SELECT * FROM `...') #1 /home/bitrix/www/bitrix/modules/main/lib/db/connection.php(779): Bitrix\Main\DB\MysqlCommonConnection->getTableFields('b_sec_session') #2 /home/bitrix/www/bitrix/modules/main/lib/db/sqlhelper.php(406): Bitrix\Main\DB\Connection->getTableField('b_sec_session', 'SESSION_ID') #3 /home/bitrix/www/bitrix/modules/main/lib/orm/data/datamanager.php(1624): Bitrix\Main\DB\SqlHelper->prepareAssignment('b_sec_session', 'SESSION_ID', 'WfTRSsgc5mI30Ad...') #4 /home/bitrix/www/bitrix/modules/security/classes/general/session_db.php(92): Bitrix\Main\ORM\Data\DataManager::delete(Array) #5 [internal function]: CSecuritySessionDB::write('WfTRSsgc5mI30Ad...', '') #6 [internal function]: session_write_clo in /home/bitrix/www/bitrix/modules/main/lib/db/mysqliconnection.php on line 137