Until an official fix from Native Instruments please do this:
1) Set display to Classic View
2) click on Instrument Options button (wrench icon)
3) Click on Instrument
4) Click on folder in Resource Container
5) locate Scarbee Funk Guitarist library folder
6) Select SFGL_resources.nkr
7) Close window
8) Save instrument (Scarbee Funk Guitarist.nki)