[Bitrix\Main\DB\ConnectionException] 
Mysql connect error [localhost]: (2002) No such file or directory (400)
/home/bitrix/ext_www/informugra.ru/bitrix/modules/main/lib/db/mysqliconnection.php:65
#0: Bitrix\Main\DB\MysqliConnection->connectInternal()
	/home/bitrix/ext_www/informugra.ru/bitrix/modules/main/lib/db/mysqliconnection.php:122
#1: Bitrix\Main\DB\MysqliConnection->queryInternal(string, NULL, NULL)
	/home/bitrix/ext_www/informugra.ru/bitrix/modules/main/lib/db/connection.php:329
#2: Bitrix\Main\DB\Connection->query(string, NULL, integer, integer)
	/home/bitrix/ext_www/informugra.ru/bitrix/modules/main/lib/db/connection.php:357
#3: Bitrix\Main\DB\Connection->queryScalar(string)
	/home/bitrix/ext_www/informugra.ru/bitrix/modules/security/lib/session.php:110
#4: Bitrix\Security\SessionTable::lock(string, integer)
	/home/bitrix/ext_www/informugra.ru/bitrix/modules/security/classes/general/session_db.php:52
#5: CSecuritySessionDB::read(string)
	
#6: session_start()
	/home/bitrix/ext_www/informugra.ru/bitrix/modules/main/include.php:260
#7: require_once(string)
	/home/bitrix/ext_www/informugra.ru/bitrix/modules/main/include/prolog_before.php:14
#8: require_once(string)
	/home/bitrix/ext_www/informugra.ru/bitrix/modules/main/include/prolog.php:10
#9: require_once(string)
	/home/bitrix/ext_www/informugra.ru/bitrix/header.php:1
#10: require(string)
	/home/bitrix/ext_www/informugra.ru/news/index.php:2
#11: include_once(string)
	/home/bitrix/ext_www/informugra.ru/bitrix/modules/main/include/urlrewrite.php:159
#12: include_once(string)
	/home/bitrix/ext_www/informugra.ru/bitrix/urlrewrite.php:2
Fatal error: Uncaught Bitrix\Main\DB\ConnectionException: Mysql connect error [localhost]: (2002) No such file or directory in /home/bitrix/ext_www/informugra.ru/bitrix/modules/main/lib/db/mysqliconnection.php on line 65 Call Stack: 0.0078 1626056 1. Bitrix\Main\Diag\ExceptionHandler->handleException() /home/bitrix/ext_www/informugra.ru/bitrix/modules/main/lib/diag/exceptionhandler.php:0 Bitrix\Main\DB\ConnectionException: Mysql connect error [localhost]: (2002) No such file or directory in /home/bitrix/ext_www/informugra.ru/bitrix/modules/main/lib/db/mysqliconnection.php on line 65 Call Stack: 0.0078 1626056 1. Bitrix\Main\Diag\ExceptionHandler->handleException() /home/bitrix/ext_www/informugra.ru/bitrix/modules/main/lib/diag/exceptionhandler.php:0 0.0081 1694104 2. session_write_close() /home/bitrix/ext_www/informugra.ru/bitrix/modules/main/lib/diag/exceptionhandler.php:0 0.0081 1694104 3. CSecuritySessionDB::write() /home/bitrix/ext_www/informugra.ru/bitrix/modules/security/classes/general/session_db.php:0 0.0081 1694104 4. Bitrix\Main\Entity\DataManager::delete() /home/bitrix/ext_www/informugra.ru/bitrix/modules/security/classes/general/session_db.php:92