I've imported a subtitle text file into Encore CS3, specifying the bounding box at the initial load. I've saved the project and exited. The next time I open the project, the bounding box has moved itself downward and to the right and taken the subtitles with it. I can find no way to relocate the bounding box, therefore I can no longer access the subtitles to edit them. I do not know (about to find out) if the built image will also have relocated subtitles.
Why is this, and what can I do about it?