gistfile1.txt

2014-10-23 18:39:07.746 Sample[60139:21489599] *** Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '*** setObjectForKey: object cannot be nil (key: <NSIndexPath: 0xc000000000000016> {length = 2, path = 0 - 0})'
*** First throw call stack:
(
	0   CoreFoundation                      0x000000010f08af35 __exceptionPreprocess + 165
	1   libobjc.A.dylib                     0x000000010ed23bb7 objc_exception_throw + 45
	2   CoreFoundation                      0x000000010ef91998 -[__NSDictionaryM setObject:forKey:] + 968
	3   Sample                              0x000000010e69bc75 __34-[ASRangeController sizeNextBlock]_block_invoke + 725
	4   libdispatch.dylib                   0x0000000110f16ba6 _dispatch_call_block_and_release + 12
	5   libdispatch.dylib                   0x0000000110f347f4 _dispatch_client_callout + 8
	6   libdispatch.dylib                   0x0000000110f1a2f4 _dispatch_async_redirect_invoke + 991
	7   libdispatch.dylib                   0x0000000110f347f4 _dispatch_client_callout + 8
	8   libdispatch.dylib                   0x0000000110f1f15d _dispatch_root_queue_drain + 1097
	9   libdispatch.dylib                   0x0000000110f205d9 _dispatch_worker_thread3 + 111
	10  libsystem_pthread.dylib             0x00000001112b86cb _pthread_wqthread + 729
	11  libsystem_pthread.dylib             0x00000001112b64a1 start_wqthread + 13
)
libc++abi.dylib: terminating with uncaught exception of type NSException
(lldb)