Here's one thing you can try:

http://social.msdn.microsoft.com/forums/en-US/sqlintegrationservices/thread/fe402094-d218-4b6c-b7a4-f45b2d604cb1/

If that doesn't work for you, do what I just did and copy that error message into your favourite search engine. There's plenty of stuff out there waiting for you to discover.

John