[pluggo] Parameters dont work?

I have written a basic synth patch using Max 4.6.2. I have saved this in VST format using the build Plugin option, and my synth will load into Ableton as a VST instrument. 

The problem is that my Biquad filter is not working, the break point envelopes dont function and if I click on a Ubumenu the sequencer crashes.

Am quite new to building Plugins so am guessing it could be something to do with the Plugconfig window coding?