Zend_Db_Adapter_Exception: SQLSTATE[HY000] [2002] Can't connect to local MySQL server through socket '/tmp/mysql.sock' (2 "No such file or directory")

#0 /home/vhosts/vanheldentechniek.nl/httpdocs/dev/cmsPrivate/core/Vendors/Zend/Db/Adapter/Pdo/Mysql.php(109): Zend_Db_Adapter_Pdo_Abstract->_connect()
#1 /home/vhosts/vanheldentechniek.nl/httpdocs/dev/cmsPrivate/core/Vendors/Zend/Db/Adapter/Abstract.php(459): Zend_Db_Adapter_Pdo_Mysql->_connect()
#2 /home/vhosts/vanheldentechniek.nl/httpdocs/dev/cmsPrivate/core/Vendors/Zend/Db/Adapter/Pdo/Abstract.php(238): Zend_Db_Adapter_Abstract->query(Object(Zend_Db_Table_Select), Array)
#3 /home/vhosts/vanheldentechniek.nl/httpdocs/dev/cmsPrivate/core/Vendors/Zend/Db/Table/Abstract.php(1529): Zend_Db_Adapter_Pdo_Abstract->query(Object(Zend_Db_Table_Select))
#4 /home/vhosts/vanheldentechniek.nl/httpdocs/dev/cmsPrivate/core/Vendors/Zend/Db/Table/Abstract.php(1391): Zend_Db_Table_Abstract->_fetch(Object(Zend_Db_Table_Select))
#5 /home/vhosts/vanheldentechniek.nl/httpdocs/dev/cmsPrivate/core/Api/Config/Model.php(10): Zend_Db_Table_Abstract->fetchRow(Object(Zend_Db_Table_Select))
#6 /home/vhosts/vanheldentechniek.nl/httpdocs/dev/cmsPrivate/core/App/controllers/IndexController.php(36): Api_Config_Model->__construct()
#7 /home/vhosts/vanheldentechniek.nl/httpdocs/dev/cmsPrivate/core/Awf/Mvc.php(225): IndexController->init()
#8 /home/vhosts/vanheldentechniek.nl/httpdocs/dev/cmsPrivate/core/bootstrap.php(95): Awf_Mvc->dispatch()
#9 /home/vhosts/vanheldentechniek.nl/httpdocs/dev/index.php(16): include('/home/vhosts/va...')
#10 {main}