[DB connect Error]

SQLSTATE[HY000] [2002] Can't connect to local MySQL server through socket '/var/lib/mysql/mysql.sock' (2)

core/Component/Db/Connection:130	skewer\core\Component\Db\Adapter::createPdo()
build/Component/orm/Connection:41	skewer\core\Component\Db\Connection::open()
core/classes/skProcessor:450	skewer\build\Component\orm\Connection::init()
/var/www/u1592798/data/www/cartbuy.ru/index:32	skProcessor::setDbConnection()

Fatal error: Uncaught exception 'skewer\core\Component\Db\ConnectionException' with message 'SQLSTATE[HY000] [2002] Can't connect to local MySQL server through socket '/var/lib/mysql/mysql.sock' (2)' in /var/www/u1592798/data/www/cartbuy.ru/skewer/core/Component/Db/Adapter.php:101 Stack trace: #0 /var/www/u1592798/data/www/cartbuy.ru/skewer/core/Component/Db/Connection.php(130): skewer\core\Component\Db\Adapter->createPdo() #1 /var/www/u1592798/data/www/cartbuy.ru/skewer/build/Component/orm/Connection.php(41): skewer\core\Component\Db\Connection->open() #2 /var/www/u1592798/data/www/cartbuy.ru/skewer/core/classes/skProcessor.php(450): skewer\build\Component\orm\Connection::init('localhost', 'u1592798_defaul...', 'bgwtZGGt0Du87Ol...', 'u1592798_defaul...') #3 /var/www/u1592798/data/www/cartbuy.ru/index.php(32): skProcessor::setDbConnection() #4 {main} thrown in /var/www/u1592798/data/www/cartbuy.ru/skewer/core/Component/Db/Adapter.php on line 101