GrabkitDemo Crashes when picking a service

[fouaditani]

The app is crashing whenever I chose any service. Using the Demo.
I get the below
2014-03-18 02:58:18.147 GrabKitDemo[5218:60b] picker will show services list
2014-03-18 02:58:18.152 GrabKitDemo[5218:60b] picker did show services list
2014-03-18 02:58:20.184 GrabKitDemo[5218:60b] -[__NSSetM objectAtIndex:]: unrecognized selector sent to instance 0x17538ce0
2014-03-18 02:58:20.185 GrabKitDemo[5218:60b] Exception - -[__NSSetM objectAtIndex:]: unrecognized selector sent to instance 0x17538ce0