Mac port troubles

Hi. I’m porting my game to mac. I’ve got it building running and loading all the resources but I get the following error just as the game runs. It draws once then stops

2015-10-11 12:29:40.495 AccessMac[1537:136585] _createMenuRef called with existing principal MenuRef already associated with menu
2015-10-11 12:29:40.496 AccessMac[1537:136585] (
	0   CoreFoundation                      0x94c01c63 __raiseError + 195
	1   libobjc.A.dylib                     0x9647fa2a objc_exception_throw + 276
	2   CoreFoundation                      0x94c01b7d +[NSException raise:format:] + 141
	3   AppKit                              0x98da65b3 -[NSCarbonMenuImpl _createMenuRef] + 70
	4   AppKit                              0x98da5d44 -[NSCarbonMenuImpl _instantiateCarbonMenu] + 155
	5   AppKit                              0x98da5c9e -[NSCarbonMenuImpl setupCarbonMenuBar] + 40
	6   AppKit                              0x98da41fd -[NSApplication finishLaunching] + 1398
	7   ???                                 0x1257939c 0x0 + 307729308
	8   ???                                 0x125781e0 0x0 + 307724768
	9   ???                                 0x000ee6e0 0x0 + 976608
	10  libmono-2.0.dylib                   0x0280e90f mono_jit_runtime_invoke + 751
	11  libmono-2.0.dylib                   0x029d0b0f mono_runtime_invoke + 127
	12  libmono-2.0.dylib                   0x029d103a mono_runtime_class_init_full + 778
	13  libmono-2.0.dylib                   0x0280b893 mono_jit_compile_method_with_opt + 4115
	14  libmono-2.0.dylib                   0x0280a829 mono_jit_compile_method + 57
	15  libmono-2.0.dylib                   0x028c0bf1 common_call_trampoline + 961
	16  libmono-2.0.dylib                   0x028c081c mono_magic_trampoline + 60
	17  ???                                 0x000ab088 0x0 + 700552

Has anyone seen similar issues?