>When rebuilding my project EXE, several forms come with an error similar to:
>
>"Form d:\brahms5\forms\reporter.scx has the following errors:
> File BRAHMS5.BMP - Undefined"
>
>Yet, the said .BMP file is nowhere to be traced as reference in the form or the parent class. It may once have been included in a form but no longer exists. Any ideas?

Are you sure, this bmp is not used as a picture of command button of this form?
Check picture property for all buttons, etc. If you can not find a reference, take a look at the form as a table and look carefully into Properties field.