Forms don't appear in Delphia dialog editor

For some unknown reason one of MY MDIChild forms (about 87 KB) doesn't
appear on the screen. Copying the contents of the DFM file and adding
them to a new DFM file works but when I try to copy the contents of the
PAS file I get the same problem. When I compile I get the error "Can't
find resource" or something like that. By the way I using version 1.0.
Anybody know what's going on??????