DB Error: connect failed

[nativecode=Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (11)] ** Array
DB Error: connect failed

[nativecode=Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (11)] ** Array
DB Error: connect failed

[nativecode=Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (11)] ** Array