DollyXs - Release version Does not recognize WriteFishPrice.pln

Hi,

I am trying to follow the Getting Started for  Step 1: Use DollyXs to generate a dialog-based plug-in project

I have generated the win c++ files using DollyXs, however when I try to load the release version of WriteFishPrices in my Indesign 5.5 trial version, I get an error:

     Adobe InDesign does not recognize WriteFishPrice.pln as a valid plug in.  Please reinstall ...

I have built in Release mode, and copied the file to the plugins dir. following the instructions which I have copied below..

Copy the WriteFishPrice plug-in file to the Plug-Ins directory in the InDesign CS5 directory; then the

WriteFishPrice plug-in will be loaded when InDesign is launched.

NOTE: Do not install debug plug-ins to the Plug-Ins directory for the release build of InDesign, or vice versa;

if you do, your plug-in will fail to load.

Any idea what is going on here?