gistfile1.txt

2018-01-03 13:12:45.425 spritybird[50829:3232790] *** Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '-[NSNull length]: unrecognized selector sent to instance 0x10f8e2130'
*** First throw call stack:
(
	0   CoreFoundation                      0x000000010f623d4b __exceptionPreprocess + 171
	1   libobjc.A.dylib                     0x000000010e9cd21e objc_exception_throw + 48
	2   CoreFoundation                      0x000000010f693f04 -[NSObject(NSObject) doesNotRecognizeSelector:] + 132
	3   CoreFoundation                      0x000000010f5a9005 ___forwarding___ + 1013
	4   CoreFoundation                      0x000000010f5a8b88 _CF_forwarding_prep_0 + 120
	5   CoreFoundation                      0x000000010f5479cd isEqualToString + 61
	6   CoreFoundation                      0x000000010f59084b -[NSTaggedPointerString isEqualToString:] + 27
	7   UIKit                               0x000000010c38e57e -[UILabel _setText:] + 84
	8   spritybird                          0x000000010879f77c -[ViewController unitySocialChallengeStarted:] + 1436
	9   CoreFoundation                      0x000000010f5aa44c __invoking___ + 140
	10  CoreFoundation                      0x000000010f5aa2d1 -[NSInvocation invoke] + 289
	11  spritybird                          0x000000010882faf6 __43-[USDelegateManager unitySendMessage:data:]_block_invoke + 38
	12  libdispatch.dylib                   0x0000000110a260cd _dispatch_client_callout + 8
	13  libdispatch.dylib                   0x0000000110a085b3 _dispatch_barrier_sync_f_slow_invoke + 617
	14  libdispatch.dylib                   0x0000000110a260cd _dispatch_client_callout + 8
	15  libdispatch.dylib                   0x0000000110a068a4 _dispatch_main_queue_callback_4CF + 406
	16  CoreFoundation                      0x000000010f5e7e49 __CFRUNLOOP_IS_SERVICING_THE_MAIN_DISPATCH_QUEUE__ + 9
	17  CoreFoundation                      0x000000010f5ad37d __CFRunLoopRun + 2205
	18  CoreFoundation                      0x000000010f5ac884 CFRunLoopRunSpecific + 420
	19  GraphicsServices                    0x00000001123e1a6f GSEventRunModal + 161
	20  UIKit                               0x000000010c105c68 UIApplicationMain + 159
	21  spritybird                          0x0000000108795faf main + 111
	22  libdyld.dylib                       0x0000000110a7268d start + 1
)
libc++abi.dylib: terminating with uncaught exception of type NSException