Saving Problem

Sorry if this already has been answered, allthough i haven't found an answer anywhere.

Sometimes when I select "Save Entire Memory", the mpc shows saving the project file for a long time, and then it displays saving all_seqs_and_songs. and there it stops, there's nothing I can do but turn the thing off, and lose the entire beat..

I wouldn't have bothered asking if this only had happened once, but it has happened to me three times with three different projects.
Anyone know what the problem is?

Thanks!

maybe your CF card is invalid.what kind of cf card you have ?

Yeah, I figured...

Some error had incurred, so the 1 gb kingston card had managed to make three 14 gb files on the card.

sad that I had to lose those beats though..