>That's no bug, there's a long-known incompatibility between Stuffit 5
>and Stuffit 4 format files.
>
>The reason the sea also broke is (probably) because you have an 4.x
>version of the Stuffit Engine in your Extensions folder.

No, I think that there a bug.  I say this because I made the sea, and it
doesn't work for me.  When I expanded it before, I just used the Magic
Menu expand option.  When I actually double clicked on it it gave me the
same error that was reported earlier.

Aaron Jackson