[Bitrix\Main\DB\ConnectionException] 
Mysql connect error [localhost]: (2006) MySQL server has gone away (400)
/home/bitrix/www/bitrix/modules/main/lib/db/mysqliconnection.php:82
#0: Bitrix\Main\DB\MysqliConnection->connectInternal
	/home/bitrix/www/bitrix/modules/main/lib/data/connection.php:53
#1: Bitrix\Main\Data\Connection->getResource
	/home/bitrix/www/bitrix/modules/main/classes/general/database.php:283
#2: CAllDatabase->DoConnect
	/home/bitrix/www/bitrix/modules/main/classes/mysql/database_mysqli.php:73
#3: CDatabase->ForSql
	/home/bitrix/www/bitrix/modules/main/classes/general/sqlwhere.php:713
#4: CAllSQLWhere->addStringFilter
	/home/bitrix/www/bitrix/modules/main/classes/general/sqlwhere.php:376
#5: CAllSQLWhere->GetQueryEx
	/home/bitrix/www/bitrix/modules/main/classes/general/sqlwhere.php:261
#6: CAllSQLWhere->GetQuery
	/home/bitrix/www/bitrix/modules/main/lib/orm/query/query.php:2231
#7: Bitrix\Main\ORM\Query\Query->buildWhere
	/home/bitrix/www/bitrix/modules/main/lib/orm/query/query.php:2461
#8: Bitrix\Main\ORM\Query\Query->buildQuery
	/home/bitrix/www/bitrix/modules/main/lib/orm/query/query.php:933
#9: Bitrix\Main\ORM\Query\Query->exec
	/home/bitrix/www/bitrix/modules/main/lib/orm/data/datamanager.php:513
#10: Bitrix\Main\ORM\Data\DataManager::getList
	/home/bitrix/www/bitrix/modules/main/lib/orm/data/datamanager.php:413
#11: Bitrix\Main\ORM\Data\DataManager::getRow
	/home/bitrix/www/bitrix/modules/main/lib/site.php:46
#12: Bitrix\Main\SiteTable::getDocumentRoot
	/home/bitrix/www/bitrix/modules/rest/lib/marketplace/url.php:82
#13: Bitrix\Rest\Marketplace\Urls\Templates->getDir
	/home/bitrix/www/bitrix/modules/rest/lib/marketplace/url.php:98
#14: Bitrix\Rest\Marketplace\Urls\Templates->getReplacedId
	/home/bitrix/www/bitrix/modules/rest/lib/marketplace/url.php:130
#15: Bitrix\Rest\Marketplace\Urls\Marketplace->getCategoryUrl
	/home/bitrix/www/bitrix/modules/rest/lib/marketplace/url.php:435
#16: Bitrix\Rest\Marketplace\Url::getCategoryUrl
	/home/bitrix/www/bitrix/modules/rest/include.php:31
#17: include_once(string)
	/home/bitrix/www/bitrix/modules/main/lib/loader.php:184
#18: Bitrix\Main\Loader::includeModuleInternal
	/home/bitrix/www/bitrix/modules/main/lib/loader.php:140
#19: Bitrix\Main\Loader::includeModule
	/home/bitrix/www/bitrix/modules/main/classes/general/module.php:251
#20: CModule::IncludeModule
	/home/bitrix/www/bitrix/modules/main/classes/general/module.php:434
#21: ExecuteModuleEventEx
	/home/bitrix/www/bitrix/modules/main/include.php:463
#22: require_once(string)
	/home/bitrix/www/bitrix/modules/main/include/prolog_before.php:14
#23: require_once(string)
	/home/bitrix/www/bitrix/modules/main/include/prolog.php:10
#24: require_once(string)
	/home/bitrix/www/bitrix/header.php:1
#25: require(string)
	/home/bitrix/www/zapchasti/index.php:2
#26: include_once(string)
	/home/bitrix/www/bitrix/modules/main/include/urlrewrite.php:160
#27: include_once(string)
	/home/bitrix/www/bitrix/urlrewrite.php:2
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