Hello! I have one problem! I have one form, that give me on messager of error "Unable to open file ". Why this mean?

Subject: Hello! I have one problem! I have one form, that give me on messager of error "Unable to open file ". Why this mean??

Subject: Hello! I have one problem! I have one form, that give me on messager of error "Unable to open file ". Why this mean??

Turn on the LotusScript debugger and see where it tries to open a file.