Crashlytics Enigmatic Crash

#0. Crashed: tid_403
0  MyApp.iOS                      0x1008865f8 WriteZStream + 1746092
1  MyApp.iOS                      0x1008865f8 WriteZStream + 1746092
2  MyApp.iOS                      0x100887530 WriteZStream + 1749988
3  MyApp.iOS                      0x100886aec WriteZStream + 1747360
4  MyApp.iOS                      0x10099f35c WriteZStream + 2896400
5  MyApp.iOS                      0x10099a098 WriteZStream + 2875212
6  MyApp.iOS                      0x100a6eeb8 WriteZStream + 3747180
7  MyApp.iOS                      0x100ac7818 WriteZStream + 4110028
8  MyApp.iOS                      0x100a6ede8 WriteZStream + 3746972
9  MyApp.iOS                      0x100ac4130 WriteZStream + 4095972
10 MyApp.iOS                      0x1010d7224 WriteZStream + 10465496
11 MyApp.iOS                      0x1010cd7ec WriteZStream + 10426016
12 MyApp.iOS                      0x100c2bb54 WriteZStream + 5569032
13 MyApp.iOS                      0x1005cba40 CLSNSLogv + 352484
14 MyApp.iOS                      0x10063aa74 CLSNSLogv + 807192
15 MyApp.iOS                      0x10063a9d0 CLSNSLogv + 807028
16 MyApp.iOS                      0x1015a7294 WriteZStream + 15511880
17 MyApp.iOS                      0x1015a77e0 WriteZStream + 15513236
18 Foundation                     0x18bde1048 __NSThreadPerformPerform + 340
19 CoreFoundation                 0x18b27ab5c __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ + 24
20 CoreFoundation                 0x18b27a4a4 __CFRunLoopDoSources0 + 524
21 CoreFoundation                 0x18b2780a4 __CFRunLoopRun + 804
22 CoreFoundation                 0x18b1a62b8 CFRunLoopRunSpecific + 444
23 GraphicsServices               0x18cc5a198 GSEventRunModal + 180
24 UIKit                          0x1911ed7fc -[UIApplication _run] + 684
25 UIKit                          0x1911e8534 UIApplicationMain + 208
26 MyApp.iOS                      0x101146d44 WriteZStream + 10923000
27 MyApp.iOS                      0x1010d4ca8 WriteZStream + 10455900
28 MyApp.iOS                      0x1006dc24c WriteZStream + 256
29 MyApp.iOS                      0x100c2bb54 WriteZStream + 5569032
30 MyApp.iOS                      0x1005cba40 CLSNSLogv + 352484
31 MyApp.iOS                      0x10063aa74 CLSNSLogv + 807192
32 MyApp.iOS                      0x10063d058 CLSNSLogv + 816892
33 MyApp.iOS                      0x10063cc74 CLSNSLogv + 815896
34 MyApp.iOS                      0x1005b0c90 CLSNSLogv + 242484
35 MyApp.iOS                      0x1006dbbcc xamarin_GetFolderPath + 3956
36 MyApp.iOS                      0x101611698 WriteZStream + 15947084
37 libdispatch.dylib              0x18a1895b8 (Missing)

--

#0. Crashed: tid_403
0  MyApp.iOS                      0x1008865f8 WriteZStream + 1746092
1  MyApp.iOS                      0x1008865f8 WriteZStream + 1746092
2  MyApp.iOS                      0x100887530 WriteZStream + 1749988
3  MyApp.iOS                      0x100886aec WriteZStream + 1747360
4  MyApp.iOS                      0x10099f35c WriteZStream + 2896400
5  MyApp.iOS                      0x10099a098 WriteZStream + 2875212
6  MyApp.iOS                      0x100a6eeb8 WriteZStream + 3747180
7  MyApp.iOS                      0x100ac7818 WriteZStream + 4110028
8  MyApp.iOS                      0x100a6ede8 WriteZStream + 3746972
9  MyApp.iOS                      0x100ac4130 WriteZStream + 4095972
10 MyApp.iOS                      0x1010d7224 WriteZStream + 10465496
11 MyApp.iOS                      0x1010cd7ec WriteZStream + 10426016
12 MyApp.iOS                      0x100c2bb54 WriteZStream + 5569032
13 MyApp.iOS                      0x1005cba40 CLSNSLogv + 352484
14 MyApp.iOS                      0x10063aa74 CLSNSLogv + 807192
15 MyApp.iOS                      0x10063a9d0 CLSNSLogv + 807028
16 MyApp.iOS                      0x1015a7294 WriteZStream + 15511880
17 MyApp.iOS                      0x1015a77e0 WriteZStream + 15513236
18 Foundation                     0x18bde1048 __NSThreadPerformPerform + 340
19 CoreFoundation                 0x18b27ab5c __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ + 24
20 CoreFoundation                 0x18b27a4a4 __CFRunLoopDoSources0 + 524
21 CoreFoundation                 0x18b2780a4 __CFRunLoopRun + 804
22 CoreFoundation                 0x18b1a62b8 CFRunLoopRunSpecific + 444
23 GraphicsServices               0x18cc5a198 GSEventRunModal + 180
24 UIKit                          0x1911ed7fc -[UIApplication _run] + 684
25 UIKit                          0x1911e8534 UIApplicationMain + 208
26 MyApp.iOS                      0x101146d44 WriteZStream + 10923000
27 MyApp.iOS                      0x1010d4ca8 WriteZStream + 10455900
28 MyApp.iOS                      0x1006dc24c WriteZStream + 256
29 MyApp.iOS                      0x100c2bb54 WriteZStream + 5569032
30 MyApp.iOS                      0x1005cba40 CLSNSLogv + 352484
31 MyApp.iOS                      0x10063aa74 CLSNSLogv + 807192
32 MyApp.iOS                      0x10063d058 CLSNSLogv + 816892
33 MyApp.iOS                      0x10063cc74 CLSNSLogv + 815896
34 MyApp.iOS                      0x1005b0c90 CLSNSLogv + 242484
35 MyApp.iOS                      0x1006dbbcc xamarin_GetFolderPath + 3956
36 MyApp.iOS                      0x101611698 WriteZStream + 15947084
37 libdispatch.dylib              0x18a1895b8 (Missing)

#1. Thread
0  libsystem_kernel.dylib         0x18a29b314 __semwait_signal + 8
1  libsystem_c.dylib              0x18a1b925c nanosleep + 212
2  libc++.1.dylib                 0x189cc9994 std::__1::this_thread::sleep_for(std::__1::chrono::duration<long long, std::__1::ratio<1l, 1000000000l> > const&) + 80
3  JavaScriptCore                 0x18faaa40c <redacted> + 76
4  JavaScriptCore                 0x18faa9458 <redacted> + 128
5  JavaScriptCore                 0x18faa9294 <redacted> + 60
6  JavaScriptCore                 0x18faa9134 <redacted> + 80
7  JavaScriptCore                 0x18faaa4f8 <redacted> + 92
8  JavaScriptCore                 0x18faaa424 <redacted> + 10
9  JavaScriptCore                 0x18faaa6d4 <redacted> + 92
10 libsystem_pthread.dylib        0x18a361850 <redacted> + 240
11 libsystem_pthread.dylib        0x18a361760 _pthread_start + 282
12 libsystem_pthread.dylib        0x18a35ed94 thread_start + 4

#2. WebThread
0  libsystem_kernel.dylib         0x18a27d188 mach_msg_trap + 8
1  libsystem_kernel.dylib         0x18a27cff8 mach_msg + 72
2  CoreFoundation                 0x18b27a5d0 __CFRunLoopServiceMachPort + 192
3  CoreFoundation                 0x18b2781ec __CFRunLoopRun + 1132
4  CoreFoundation                 0x18b1a62b8 CFRunLoopRunSpecific + 444
5  WebCore                        0x18fdac490 <redacted> + 456
6  libsystem_pthread.dylib        0x18a361850 <redacted> + 240
7  libsystem_pthread.dylib        0x18a361760 _pthread_start + 282
8  libsystem_pthread.dylib        0x18a35ed94 thread_start + 4

#3. SGen worker
0  libsystem_kernel.dylib         0x18a29ae1c __psynch_cvwait + 8
1  libsystem_pthread.dylib        0x18a3609c0 <redacted> + 640
2  MyApp.iOS                      0x100697da0 CLSNSLogv + 1188932
3  libsystem_pthread.dylib        0x18a361850 <redacted> + 240
4  libsystem_pthread.dylib        0x18a361760 _pthread_start + 282
5  libsystem_pthread.dylib        0x18a35ed94 thread_start + 4

#4. Finalizer
0  libsystem_kernel.dylib         0x18a27d1c4 semaphore_wait_trap + 8
1  MyApp.iOS                      0x1005fe200 CLSNSLogv + 559268
2  MyApp.iOS                      0x10066bec0 CLSNSLogv + 1008996
3  MyApp.iOS                      0x1006bc804 CLSNSLogv + 1339048
4  libsystem_pthread.dylib        0x18a361850 <redacted> + 240
5  libsystem_pthread.dylib        0x18a361760 _pthread_start + 282
6  libsystem_pthread.dylib        0x18a35ed94 thread_start + 4

#5. com.apple.uikit.eventfetch-thread
0  libsystem_kernel.dylib         0x18a27d188 mach_msg_trap + 8
1  libsystem_kernel.dylib         0x18a27cff8 mach_msg + 72
2  CoreFoundation                 0x18b27a5d0 __CFRunLoopServiceMachPort + 192
3  CoreFoundation                 0x18b2781ec __CFRunLoopRun + 1132
4  CoreFoundation                 0x18b1a62b8 CFRunLoopRunSpecific + 444
5  Foundation                     0x18bce326c -[NSRunLoop(NSRunLoop) runMode:beforeDate:] + 304
6  Foundation                     0x18bd03dd0 -[NSRunLoop(NSRunLoop) runUntilDate:] + 96
7  UIKit                          0x191b61c38 -[UIEventFetcher threadMain] + 136
8  Foundation                     0x18bde0e68 __NSThread__start__ + 1024
9  libsystem_pthread.dylib        0x18a361850 <redacted> + 240
10 libsystem_pthread.dylib        0x18a361760 _pthread_start + 282
11 libsystem_pthread.dylib        0x18a35ed94 thread_start + 4

#6. tid_5803
0  libsystem_kernel.dylib         0x18a29ba88 __workq_kernreturn + 8
1  libsystem_pthread.dylib        0x18a35f344 _pthread_wqthread + 1452
2  libsystem_pthread.dylib        0x18a35ed8c start_wqthread + 4

#7. Timer-Scheduler
0  libsystem_kernel.dylib         0x18a29ae1c __psynch_cvwait + 8
1  libsystem_pthread.dylib        0x18a3609c0 <redacted> + 640
2  MyApp.iOS                      0x10069df2c CLSNSLogv + 1213904
3  MyApp.iOS                      0x10069dc24 CLSNSLogv + 1213128
4  MyApp.iOS                      0x1006ac58c CLSNSLogv + 1272880
5  MyApp.iOS                      0x1006675c4 CLSNSLogv + 990312
6  MyApp.iOS                      0x100667854 CLSNSLogv + 990968
7  MyApp.iOS                      0x100bc59b8 WriteZStream + 5150828
8  MyApp.iOS                      0x100aca92c WriteZStream + 4122592
9  MyApp.iOS                      0x100aca7b8 WriteZStream + 4122220
10 MyApp.iOS                      0x100aca714 WriteZStream + 4122056
11 MyApp.iOS                      0x100b0b138 WriteZStream + 4386796
12 MyApp.iOS                      0x100ac8c08 WriteZStream + 4115132
13 MyApp.iOS                      0x100ac7818 WriteZStream + 4110028
14 MyApp.iOS                      0x100ac75bc WriteZStream + 4109424
15 MyApp.iOS                      0x100ac8d18 WriteZStream + 4115404
16 MyApp.iOS                      0x100c2bb54 WriteZStream + 5569032
17 MyApp.iOS                      0x1005cba40 CLSNSLogv + 352484
18 MyApp.iOS                      0x10063aa74 CLSNSLogv + 807192
19 MyApp.iOS                      0x10066bf3c CLSNSLogv + 1009120
20 MyApp.iOS                      0x1006bc804 CLSNSLogv + 1339048
21 libsystem_pthread.dylib        0x18a361850 <redacted> + 240
22 libsystem_pthread.dylib        0x18a361760 _pthread_start + 282
23 libsystem_pthread.dylib        0x18a35ed94 thread_start + 4

#8. tid_701b
0  libsystem_kernel.dylib         0x18a29ae1c __psynch_cvwait + 8
1  libsystem_pthread.dylib        0x18a3609c0 <redacted> + 640
2  MyApp.iOS                      0x1006c0684 CLSNSLogv + 1355048
3  MyApp.iOS                      0x100664328 CLSNSLogv + 977356
4  MyApp.iOS                      0x10066bec0 CLSNSLogv + 1008996
5  MyApp.iOS                      0x1006bc804 CLSNSLogv + 1339048
6  libsystem_pthread.dylib        0x18a361850 <redacted> + 240
7  libsystem_pthread.dylib        0x18a361760 _pthread_start + 282
8  libsystem_pthread.dylib        0x18a35ed94 thread_start + 4

#9. Threadpool worker
0  libsystem_kernel.dylib         0x18a29ae1c __psynch_cvwait + 8
1  libsystem_pthread.dylib        0x18a3609c0 <redacted> + 640
2  MyApp.iOS                      0x100664d50 CLSNSLogv + 979956
3  MyApp.iOS                      0x10066bec0 CLSNSLogv + 1008996
4  MyApp.iOS                      0x1006bc804 CLSNSLogv + 1339048
5  libsystem_pthread.dylib        0x18a361850 <redacted> + 240
6  libsystem_pthread.dylib        0x18a361760 _pthread_start + 282
7  libsystem_pthread.dylib        0x18a35ed94 thread_start + 4

#10. Threadpool worker
0  libsystem_kernel.dylib         0x18a29ae1c __psynch_cvwait + 8
1  libsystem_pthread.dylib        0x18a3609c0 <redacted> + 640
2  MyApp.iOS                      0x100664d50 CLSNSLogv + 979956
3  MyApp.iOS                      0x10066bec0 CLSNSLogv + 1008996
4  MyApp.iOS                      0x1006bc804 CLSNSLogv + 1339048
5  libsystem_pthread.dylib        0x18a361850 <redacted> + 240
6  libsystem_pthread.dylib        0x18a361760 _pthread_start + 282
7  libsystem_pthread.dylib        0x18a35ed94 thread_start + 4

#11. com.twitter.crashlytics.mac.MachExceptionServer
0  MyApp.iOS                      0x10056fcb4 (Missing)
1  MyApp.iOS                      0x100570180 (Missing)
2  MyApp.iOS                      0x100559d88 (Missing)
3  MyApp.iOS                      0x10054fb5c (Missing)
4  libsystem_pthread.dylib        0x18a361850 <redacted> + 240
5  libsystem_pthread.dylib        0x18a361760 _pthread_start + 282
6  libsystem_pthread.dylib        0x18a35ed94 thread_start + 4

#12. com.apple.NSURLConnectionLoader
0  libsystem_kernel.dylib         0x18a27d188 mach_msg_trap + 8
1  libsystem_kernel.dylib         0x18a27cff8 mach_msg + 72
2  CoreFoundation                 0x18b27a5d0 __CFRunLoopServiceMachPort + 192
3  CoreFoundation                 0x18b2781ec __CFRunLoopRun + 1132
4  CoreFoundation                 0x18b1a62b8 CFRunLoopRunSpecific + 444
5  CFNetwork                      0x18b9aba70 <redacted> + 336
6  Foundation                     0x18bde0e68 __NSThread__start__ + 1024
7  libsystem_pthread.dylib        0x18a361850 <redacted> + 240
8  libsystem_pthread.dylib        0x18a361760 _pthread_start + 282
9  libsystem_pthread.dylib        0x18a35ed94 thread_start + 4

#13. tid_b703
0  libsystem_kernel.dylib         0x18a29ba88 __workq_kernreturn + 8
1  libsystem_pthread.dylib        0x18a35f344 _pthread_wqthread + 1452
2  libsystem_pthread.dylib        0x18a35ed8c start_wqthread + 4

#14. tid_b807
0  libsystem_kernel.dylib         0x18a29ba88 __workq_kernreturn + 8
1  libsystem_pthread.dylib        0x18a35f344 _pthread_wqthread + 1452
2  libsystem_pthread.dylib        0x18a35ed8c start_wqthread + 4

#15. Threadpool worker
0  libsystem_kernel.dylib         0x18a29ae1c __psynch_cvwait + 8
1  libsystem_pthread.dylib        0x18a3609c0 <redacted> + 640
2  MyApp.iOS                      0x100664d50 CLSNSLogv + 979956
3  MyApp.iOS                      0x10066bec0 CLSNSLogv + 1008996
4  MyApp.iOS                      0x1006bc804 CLSNSLogv + 1339048
5  libsystem_pthread.dylib        0x18a361850 <redacted> + 240
6  libsystem_pthread.dylib        0x18a361760 _pthread_start + 282
7  libsystem_pthread.dylib        0x18a35ed94 thread_start + 4

#16. tid_12003
0  libsystem_pthread.dylib        0x18a35ed88 pthread_workqueue_addthreads_np + 126

#17. Threadpool worker
0  libsystem_kernel.dylib         0x18a29ae1c __psynch_cvwait + 8
1  libsystem_pthread.dylib        0x18a3609c0 <redacted> + 640
2  MyApp.iOS                      0x100664d50 CLSNSLogv + 979956
3  MyApp.iOS                      0x10066bec0 CLSNSLogv + 1008996
4  MyApp.iOS                      0x1006bc804 CLSNSLogv + 1339048
5  libsystem_pthread.dylib        0x18a361850 <redacted> + 240
6  libsystem_pthread.dylib        0x18a361760 _pthread_start + 282
7  libsystem_pthread.dylib        0x18a35ed94 thread_start + 4

#18. JIT Worklist Worker Thread
0  libsystem_kernel.dylib         0x18a29ae1c __psynch_cvwait + 8
1  libsystem_pthread.dylib        0x18a3609c0 <redacted> + 640
2  libc++.1.dylib                 0x189c893ec std::__1::condition_variable::wait(std::__1::unique_lock<std::__1::mutex>&) + 56
3  JavaScriptCore                 0x18fa92d64 WTF::ParkingLot::parkConditionallyImpl(void const*, WTF::ScopedLambda<bool ()> const&, WTF::ScopedLambda<void ()> const&, std::__1::chrono::time_point<std::__1::chrono::steady_clock, std::__1::chrono::duration<long long, std::__1::ratio<1l, 1000000000l> > >) + 2132
4  JavaScriptCore                 0x18f86aa5c <redacted> + 192
5  JavaScriptCore                 0x18f86aeac <redacted> + 14
6  JavaScriptCore                 0x18f1db00c <redacted> + 212
7  JavaScriptCore                 0x18f1daf1c <redacted> + 24
8  libsystem_pthread.dylib        0x18a361850 <redacted> + 240
9  libsystem_pthread.dylib        0x18a361760 _pthread_start + 282
10 libsystem_pthread.dylib        0x18a35ed94 thread_start + 4

#19. WTF Parallel Helper Thread
0  libsystem_kernel.dylib         0x18a29ae1c __psynch_cvwait + 8
1  libsystem_pthread.dylib        0x18a3609c0 <redacted> + 640
2  libc++.1.dylib                 0x189c893ec std::__1::condition_variable::wait(std::__1::unique_lock<std::__1::mutex>&) + 56
3  JavaScriptCore                 0x18fa92d64 WTF::ParkingLot::parkConditionallyImpl(void const*, WTF::ScopedLambda<bool ()> const&, WTF::ScopedLambda<void ()> const&, std::__1::chrono::time_point<std::__1::chrono::steady_clock, std::__1::chrono::duration<long long, std::__1::ratio<1l, 1000000000l> > >) + 2132
4  JavaScriptCore                 0x18fa922e8 <redacted> + 288
5  JavaScriptCore                 0x18fa92088 <redacted> + 76
6  JavaScriptCore                 0x18f1db00c <redacted> + 212
7  JavaScriptCore                 0x18f1daf1c <redacted> + 24
8  libsystem_pthread.dylib        0x18a361850 <redacted> + 240
9  libsystem_pthread.dylib        0x18a361760 _pthread_start + 282
10 libsystem_pthread.dylib        0x18a35ed94 thread_start + 4