I do not think anyone will be able to tell much from this info.
If this is your first app, I would suggest ditching it and starting fresh from scratch with your second app.
Follow best practices.
Follow the 100+ SDK samples provides.
Work through the getting started material:
http://thebuildingcoder.typepad.com/blog/about-the-author.html#2
The most effective way to get started programming with the Revit API is to work through the step-by-step instructions provided by the DevTV and My First Revit Plugin video tutorials.
Do not crash!
There is no need for that whatsoever.
Just follow the rules and all will be well.
Best regards,
Jeremy