dpkg-source: version does not contain a revision

[T o n g <mlist4suntong@yahoo.com>]

Hi, 

What's the cause (and fix) of the following error?

   dpkg-source -b dbab-1.0.1
  dpkg-source: error: can't build with source format '3.0 (quilt)': 
version does not contain a revision
  dpkg-buildpackage: error: dpkg-source -b dbab-1.0.1 gave error exit 
status 255

Thanks