visual studio installer ERRORs

hello everybody

I NEED HELP!!

I developing an aplication in Visual Basic 6 and I tried to do a
installer of this application with VSI.
When i build the project error msg ocurred:

"The property 'source file' of file "my_project_file" is invalid"
"The file "my_project_file" is invalid"

I don't know what the reason for this and I HAVE Complete my project
in a few time!!!! I'm Desesperated!!

HELP ME!!

regards,
Andre Figueiredo - Viseu - Portugal