Why does this happen..?

[mydr3am]

It worked perfectly yesterday. I mean, why is it doing like this and is it fixable:


Sorry for the pic, but it says "Sorry, SMF was unable to connect to the database. This may be caused by the server being busy. Please try again later.

Sorry for my bad English

[jamesk]

If you're on a shared database server, it may get too busy...

Check with your host.