regarding compilation of help project

Hi,
I am trying to build a help file for my application.I made a rtf file,cnt file and hpj file. I am using Microsoft Help Workshop.During compilation I am getting the warinngs as listed

HC3097: Warning: XPRESS~1.HPJ :
The [BUILDTAGS] section is missing in the Project file.
Creating the help file XPress Help.hlp.

Processing C:\QUARKH~1\.\Xpress Help.rtf
HC4013: Warning:
Invalid default font number in C:\QUARKH~1\.\Xpress Help.rtf. Using 02020603050405020304 as the default font.
HC4002: Warning:
The RTF file C:\QUARKH~1\.\Xpress Help.rtf is corrupted at offset 286.
HC4005: Warning:
The XPress Help.hlp help file has not been created.

I am unable to understand these warinngs.If anybody know anything about this please tell me.
Thanks.