The data read from a file wasn't in the expected format. This error has the following causes and solutions:
Get a new version of the project file or object library file.
Load the source code instead.
Load the questionable file into the application in which it was created, and then save it in a compatible format. For example, object library source code can be processed through MkTypLib; and QuickBasic, and Visual Basic code can be saved in text format, and so on.
For additional information, select the item in question and press F1.