help! - MySQL error code: 2002

[neosin]

MySQL error code: 2002
MySQL error text: Can't connect to local MySQL server through socket '/var/lib/mysql/mysql.sock' (2)

i keep getting this message on through my site

what is it?
how can it be fixed??

thanks

[RammsteinNicCag]

What type of script are you using and what part is trying to connect to mysql?

Jennifer