Modulatur Value doesn’t change

Need some help!

I created an uislider. The modulator is dynamic and numeric. Moving the slider doesn’t change anything. The value stays 0!!! What is the mistake?

I use Revision = 1454, Build date = 2013-06-07 23:28:43, Branch = Nightly, Juce = 2.1.1, Boost = 1.52.0, Lua = 5.1.4

Ctrlr