The information in this article applies to:
When I try to open one of my files, this message appears:
What does this mean?
This message indicates that the file you are trying to open is corrupted and can no longer be used.
One known way to cause the corruption that results in this message is to exit out of the Chief Architect program while it is in the process of saving the file. Because the save action is not complete, the program prompts the user to save their work, and when s/he clicks Yes, a crash occurs that results in file corruption.
This series of events is not common: it can only occur in situations where a saving a file takes an unusually long time, such as:
If you have encountered this message and now cannot open the file that was terminated early, you will need to open a backup copy of the file and resume work on that file. Please refer to the Related Articles section to learn more about accessing Archive and Auto Save backup files.