Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (11)
db_connect: /var/www/vhosts/geocoinshop.de/httpdocs/sdn/includes/db.php 17 
db_set_active: /var/www/vhosts/geocoinshop.de/httpdocs/sdn/includes/init.php 131 

Warning: mysql_query() expects parameter 2 to be resource, boolean given in /var/www/vhosts/geocoinshop.de/httpdocs/sdn/includes/db.php on line 216

Warning: mysql_error() expects parameter 1 to be resource, boolean given in /var/www/vhosts/geocoinshop.de/httpdocs/sdn/includes/db.php on line 217

Warning: mysql_fetch_object(): supplied argument is not a valid MySQL result resource in /var/www/vhosts/geocoinshop.de/httpdocs/sdn/includes/db.php on line 274

Warning: 2002 - Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (11)

in /var/www/vhosts/geocoinshop.de/httpdocs/inc/db_functions_mysql.inc.php on line 160
Unable to connect to database server!