Procedure
Summary
A customized project created in an older version of ArcView was opened in a more recent version but was not updated when prompted.
Procedure
1. Open the project file in a text editor. The first few lines looks like this:
/3.0
(ODB.1
FirstRootClassName: "Project"
Roots: 2
Version: 31
2. Change the Version number from the current to an older one. In this example: 31 to 30.
3. Save.
4. Reopen the project in ArcView.
5. Allow the Project Updater to update the project.