Crashes with: Build ./build/iPhoneSimulator-7.0-Development Create ./build/iPhoneSimulator-7.0-Development/uos-bubblewrap-crash.app/Info.plist Simulate ./build/iPhoneSimulator-7.0-Development/uos-bubblewrap-crash.app 2013-12-23 22:22:26.905 uos-bubblewrap-crash[62717:80b] uninitialized constant UOS (NameError) 2013-12-23 22:22:26.907 uos-bubblewrap-crash[62717:80b] *** Terminating app due to uncaught exception 'NameError', reason: 'uninitialized constant UOS (NameError) ' *** First throw call stack: ( 0 CoreFoundation 0x01cce5e4 __exceptionPreprocess + 180 1 libobjc.A.dylib 0x003868b6 objc_exception_throw + 44 2 uos-bubblewrap-crash 0x0023717a _ZL10__vm_raisev + 346 3 uos-bubblewrap-crash 0x00237225 rb_vm_raise + 165 4 uos-bubblewrap-crash 0x00168641 rb_exc_raise + 17 5 uos-bubblewrap-crash 0x001650b6 rb_name_error + 134 6 uos-bubblewrap-crash 0x001f535b rb_mod_const_missing + 171 7 uos-bubblewrap-crash 0x0022d34f _ZL20dispatch_rimp_callerPFP11objc_objectS0_P13objc_selectorzEmS1_iPKm + 46303 8 uos-bubblewrap-crash 0x002142b9 rb_vm_dispatch + 5209 9 uos-bubblewrap-crash 0x001f60da rb_const_get_0 + 1210 10 uos-bubblewrap-crash 0x001f6110 rb_const_get + 32 11 uos-bubblewrap-crash 0x0023015a rb_vm_const_lookup_level + 282 12 uos-bubblewrap-crash 0x001316c3 vm_get_const + 227 13 uos-bubblewrap-crash 0x00137292 rb_scope + 66 14 uos-bubblewrap-crash 0x00137bbc MREP_4FE5CE5E65ED4B9E9CCF028DE0919A22 + 1084 15 uos-bubblewrap-crash 0x00003179 RubyMotionInit + 905 16 uos-bubblewrap-crash 0x0000328d main + 109 17 libdyld.dylib 0x0318b70d start + 1 ) libc++abi.dylib: terminating with uncaught exception of type NameError (main)> %