Smf shows some error

[MASK ^_^ MAN]

my site shws this error can u guy please say y is this

Connection Problems

Sorry, SMF was unable to connect to the database. This may be caused by the server being busy. Please try again later.

but i dint do any configuration in last week and then site wrking until 2day but suddenly its shwing this message so can anyone please say wat to do

MASK ^_^ MAN Reviewed by MASK ^_^ MAN on 21st Aug 2011. Smf shows some error my site shws this error can u guy please say y is this but i dint do any configuration in last week and then site wrking until 2day but suddenly its shwing this message so can anyone please say wat to do :( Rating: 5

[XSLTel]

I think mysql server is down, if you didn't done any configuration like changing mysql username and password

[MASK ^_^ MAN]

^^ but i didnt do anything like tat