Crashed: NSOperationQueue 0x1074d4d30 (QOS: UNSPECIFIED) EXC_BAD_ACCESS KERN_INVALID_ADDRESS 0x0000000aedb56b20 0 libobjc.A.dylib objc_release + 16 1 Foundation NSKeyValuePopPendingNotificationLocal + 60 2 Foundation NSKeyValueDidChange + 368 3 Foundation -[NSObject(NSKeyValueObservingPrivate) _changeValueForKeys:count:maybeOldValuesDict:maybeNewValuesDict:usingBlock:] + 624 4 Foundation -[NSObject(NSKeyValueObservingPrivate) _changeValueForKey:key:key:usingBlock:] + 68 5 Foundation _NSSetLongLongValueAndNotify + 284 6 CFNetwork _CFNetworkHTTPConnectionCacheSetLimit + 205712 7 Foundation __NSBLOCKOPERATION_IS_CALLING_OUT_TO_A_BLOCK__ + 16 8 Foundation -[NSBlockOperation main] + 84 9 Foundation __NSOPERATION_IS_INVOKING_MAIN__ + 20 10 Foundation -[NSOperation start] + 740 11 Foundation __NSOPERATIONQUEUE_IS_STARTING_AN_OPERATION__ + 20 12 Foundation __NSOQSchedule_f + 180 13 libdispatch.dylib _dispatch_block_async_invoke2 + 104 14 libdispatch.dylib _dispatch_client_callout + 16 15 libdispatch.dylib _dispatch_continuation_pop$VARIANT$mp + 412 16 libdispatch.dylib _dispatch_async_redirect_invoke + 656 17 libdispatch.dylib _dispatch_root_queue_drain + 376 18 libdispatch.dylib _dispatch_worker_thread2 + 124 19 libsystem_pthread.dylib _pthread_wqthread + 212 20 libsystem_pthread.dylib start_wqthread + 8