I'm getting numerous crashes and unable to pinpoint/resolve this issue.
I'm attaching the crash log below.
Any insight is appreciated.
# Crashlytics - plaintext stacktrace downloaded by Hoang Tran at Fri, 29 Dec 2017 17:37:30 GMT
# Organization: YouMail - iOS
# Platform: ios
# Application: YouMail
# Version: 4.4.3.4
# Bundle Identifier: RH8QQ5UXC8.youmail.
# Issue #: 6275
# Issue ID: 5941995fbe077a4dcc21b0db
# Session ID: 5f6179c4ca12460cb5b33a983d9ac52b_fbbc23bfecbb11e7a2ec56847afe9799_0_v2
# Date: 2017-12-29T17:16:00Z
# OS Version: 11.2.1 (15C153)
# Device: iPhone 7 Plus
# RAM Free: 9.9%
# Disk Free: 88.8%
#6. Crashed: com.apple.NSURLConnectionLoader
0 libsystem_kernel.dylib 0x180c842e8 __pthread_kill + 8
1 libsystem_pthread.dylib 0x180d992f8 pthread_kill$VARIANT$mp + 396
2 libsystem_c.dylib 0x180bf2fbc abort + 140
3 libsystem_c.dylib 0x180bc6aa0 basename_r + 314
4 CFNetwork 0x18190fbf8 ___ZN15HTTPTransaction17RequestBodyStream22bodyStartProvidingDataEU13block_pointerFvP15dispatch_data_s13CFStreamErrorbE_block_invoke_2 + 230
5 libdispatch.dylib 0x180aeea14 _dispatch_client_callout + 16
6 libdispatch.dylib 0x180af6200 _dispatch_block_invoke_direct$VARIANT$mp + 288
7 CFNetwork 0x181928618 RunloopBlockContext::_invoke_block(void const*, void*) + 36
8 CoreFoundation 0x1810377a0 CFArrayApplyFunction + 80
9 CFNetwork 0x1819284dc RunloopBlockContext::perform() + 128
10 CFNetwork 0x181929694 MultiplexerSource::perform() + 312
11 CFNetwork 0x1819293f4 MultiplexerSource::_perform(void*) + 60
12 CoreFoundation 0x18111a97c __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ + 24
13 CoreFoundation 0x18111a8fc __CFRunLoopDoSource0 + 88
14 CoreFoundation 0x18111a184 __CFRunLoopDoSources0 + 204
15 CoreFoundation 0x181117d5c __CFRunLoopRun + 1048
16 CoreFoundation 0x181037e58 CFRunLoopRunSpecific + 436
17 CFNetwork 0x181927128 -[__CoreSchedulingSetRunnable runForever] + 780
18 Foundation 0x181b6f0f4 __NSThread__start__ + 996
19 libsystem_pthread.dylib 0x180d982b4 _pthread_body + 308
20 libsystem_pthread.dylib 0x180d98180 _pthread_body + 310
21 libsystem_pthread.dylib 0x180d96b74 thread_start + 4
--
#0. com.apple.main-thread
0 libsystem_kernel.dylib 0x180c63568 mach_msg_trap + 8
1 libsystem_kernel.dylib 0x180c633e0 mach_msg + 72
2 CoreFoundation 0x18111a308 __CFRunLoopServiceMachPort + 196
3 CoreFoundation 0x181117ed4 __CFRunLoopRun + 1424
4 CoreFoundation 0x181037e58 CFRunLoopRunSpecific + 436
5 GraphicsServices 0x182ee4f84 GSEventRunModal + 100
6 UIKit 0x18a6b767c UIApplicationMain + 236
7 YouMail 0x1052f5068 main (AppDelegate.swift:33)
8 libdyld.dylib 0x180b5456c start + 4
#1. Thread
0 libsystem_kernel.dylib 0x180c840f0 __psynch_cvwait + 8
1 libsystem_pthread.dylib 0x180d9ace4 _pthread_cond_wait$VARIANT$mp + 640
2 libc++.1.dylib 0x18033bea4 std::__1::condition_variable::wait(std::__1::unique_lock<std::__1::mutex>&) + 24
3 JavaScriptCore 0x188478b58 void std::__1::condition_variable_any::wait<std::__1::unique_lock<bmalloc::Mutex> >(std::__1::unique_lock<bmalloc::Mutex>&) + 96
4 JavaScriptCore 0x188478a80 bmalloc::AsyncTask<bmalloc::Heap, void (bmalloc::Heap::*)()>::threadRunLoop() + 172
5 JavaScriptCore 0x188478de4 void* std::__1::__thread_proxy<std::__1::tuple<std::__1::unique_ptr<std::__1::__thread_struct, std::__1::default_delete<std::__1::__thread_struct> >, void (*)(bmalloc::AsyncTask<bmalloc::Heap, void (bmalloc::Heap::*)()>*), bmalloc::AsyncTask<bmalloc::Heap, void (bmalloc::Heap::*)()>*> >(void*) + 44
6 libsystem_pthread.dylib 0x180d982b4 _pthread_body + 308
7 libsystem_pthread.dylib 0x180d98180 _pthread_body + 310
8 libsystem_pthread.dylib 0x180d96b74 thread_start + 4
#2. WebThread
0 libsystem_kernel.dylib 0x180c63568 mach_msg_trap + 8
1 libsystem_kernel.dylib 0x180c633e0 mach_msg + 72
2 CoreFoundation 0x18111a308 __CFRunLoopServiceMachPort + 196
3 CoreFoundation 0x181117ed4 __CFRunLoopRun + 1424
4 CoreFoundation 0x181037e58 CFRunLoopRunSpecific + 436
5 WebCore 0x188f452c8 RunWebThread(void*) + 560
6 libsystem_pthread.dylib 0x180d982b4 _pthread_body + 308
7 libsystem_pthread.dylib 0x180d98180 _pthread_body + 310
8 libsystem_pthread.dylib 0x180d96b74 thread_start + 4
#3. com.apple.uikit.eventfetch-thread
0 libsystem_kernel.dylib 0x180c63568 mach_msg_trap + 8
1 libsystem_kernel.dylib 0x180c633e0 mach_msg + 72
2 CoreFoundation 0x18111a308 __CFRunLoopServiceMachPort + 196
3 CoreFoundation 0x181117ed4 __CFRunLoopRun + 1424
4 CoreFoundation 0x181037e58 CFRunLoopRunSpecific + 436
5 Foundation 0x181a6d594 -[NSRunLoop(NSRunLoop) runMode:beforeDate:] + 304
6 Foundation 0x181a8c9ac -[NSRunLoop(NSRunLoop) runUntilDate:] + 96
7 UIKit 0x18b2217b8 -[UIEventFetcher threadMain] + 136
8 Foundation 0x181b6f0f4 __NSThread__start__ + 996
9 libsystem_pthread.dylib 0x180d982b4 _pthread_body + 308
10 libsystem_pthread.dylib 0x180d98180 _pthread_body + 310
11 libsystem_pthread.dylib 0x180d96b74 thread_start + 4
#4. com.twitter.crashlytics.ios.MachExceptionServer
0 libsystem_kernel.dylib 0x180c63568 mach_msg_trap + 8
1 libsystem_kernel.dylib 0x180c633e0 mach_msg + 72
2 YouMail 0x1054e6488 CLSMachExceptionServer + 4371801224
3 libsystem_pthread.dylib 0x180d982b4 _pthread_body + 308
4 libsystem_pthread.dylib 0x180d98180 _pthread_body + 310
5 libsystem_pthread.dylib 0x180d96b74 thread_start + 4
#5. AVAudioSession Notify Thread
0 libsystem_kernel.dylib 0x180c63568 mach_msg_trap + 8
1 libsystem_kernel.dylib 0x180c633e0 mach_msg + 72
2 CoreFoundation 0x18111a308 __CFRunLoopServiceMachPort + 196
3 CoreFoundation 0x181117ed4 __CFRunLoopRun + 1424
4 CoreFoundation 0x181037e58 CFRunLoopRunSpecific + 436
5 AVFAudio 0x18699ddc4 GenericRunLoopThread::Entry(void*) + 164
6 AVFAudio 0x1869c8830 CAPThread::Entry(CAPThread*) + 84
7 libsystem_pthread.dylib 0x180d982b4 _pthread_body + 308
8 libsystem_pthread.dylib 0x180d98180 _pthread_body + 310
9 libsystem_pthread.dylib 0x180d96b74 thread_start + 4
#6. Crashed: com.apple.NSURLConnectionLoader
0 libsystem_kernel.dylib 0x180c842e8 __pthread_kill + 8
1 libsystem_pthread.dylib 0x180d992f8 pthread_kill$VARIANT$mp + 396
2 libsystem_c.dylib 0x180bf2fbc abort + 140
3 libsystem_c.dylib 0x180bc6aa0 basename_r + 314
4 CFNetwork 0x18190fbf8 ___ZN15HTTPTransaction17RequestBodyStream22bodyStartProvidingDataEU13block_pointerFvP15dispatch_data_s13CFStreamErrorbE_block_invoke_2 + 230
5 libdispatch.dylib 0x180aeea14 _dispatch_client_callout + 16
6 libdispatch.dylib 0x180af6200 _dispatch_block_invoke_direct$VARIANT$mp + 288
7 CFNetwork 0x181928618 RunloopBlockContext::_invoke_block(void const*, void*) + 36
8 CoreFoundation 0x1810377a0 CFArrayApplyFunction + 80
9 CFNetwork 0x1819284dc RunloopBlockContext::perform() + 128
10 CFNetwork 0x181929694 MultiplexerSource::perform() + 312
11 CFNetwork 0x1819293f4 MultiplexerSource::_perform(void*) + 60
12 CoreFoundation 0x18111a97c __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ + 24
13 CoreFoundation 0x18111a8fc __CFRunLoopDoSource0 + 88
14 CoreFoundation 0x18111a184 __CFRunLoopDoSources0 + 204
15 CoreFoundation 0x181117d5c __CFRunLoopRun + 1048
16 CoreFoundation 0x181037e58 CFRunLoopRunSpecific + 436
17 CFNetwork 0x181927128 -[__CoreSchedulingSetRunnable runForever] + 780
18 Foundation 0x181b6f0f4 __NSThread__start__ + 996
19 libsystem_pthread.dylib 0x180d982b4 _pthread_body + 308
20 libsystem_pthread.dylib 0x180d98180 _pthread_body + 310
21 libsystem_pthread.dylib 0x180d96b74 thread_start + 4
#7. com.apple.CoreMotion.MotionThread
0 libsystem_kernel.dylib 0x180c63568 mach_msg_trap + 8
1 libsystem_kernel.dylib 0x180c633e0 mach_msg + 72
2 CoreFoundation 0x18111a308 __CFRunLoopServiceMachPort + 196
3 CoreFoundation 0x181117ed4 __CFRunLoopRun + 1424
4 CoreFoundation 0x181037e58 CFRunLoopRunSpecific + 436
5 CoreFoundation 0x181086f54 CFRunLoopRun + 116
6 CoreMotion 0x1864a50e8 (null) + 227264
7 libsystem_pthread.dylib 0x180d982b4 _pthread_body + 308
8 libsystem_pthread.dylib 0x180d98180 _pthread_body + 310
9 libsystem_pthread.dylib 0x180d96b74 thread_start + 4
#8. Thread
0 libsystem_kernel.dylib 0x180c84d80 __workq_kernreturn + 8
1 libsystem_pthread.dylib 0x180d96eec _pthread_wqthread + 884
2 libsystem_pthread.dylib 0x180d96b6c start_wqthread + 4
#9. Thread
0 libsystem_kernel.dylib 0x180c84d80 __workq_kernreturn + 8
1 libsystem_pthread.dylib 0x180d97080 _pthread_wqthread + 1288
2 libsystem_pthread.dylib 0x180d96b6c start_wqthread + 4
#10. Thread
0 libsystem_kernel.dylib 0x180c84d80 __workq_kernreturn + 8
1 libsystem_pthread.dylib 0x180d96eec _pthread_wqthread + 884
2 libsystem_pthread.dylib 0x180d96b6c start_wqthread + 4
#11. Thread
0 libsystem_kernel.dylib 0x180c84d80 __workq_kernreturn + 8
1 libsystem_pthread.dylib 0x180d96eec _pthread_wqthread + 884
2 libsystem_pthread.dylib 0x180d96b6c start_wqthread + 4
#12. Thread
0 libsystem_kernel.dylib 0x180c84d80 __workq_kernreturn + 8
1 libsystem_pthread.dylib 0x180d96eec _pthread_wqthread + 884
2 libsystem_pthread.dylib 0x180d96b6c start_wqthread + 4
#13. Thread
0 libsystem_kernel.dylib 0x180c84d80 __workq_kernreturn + 8
1 libsystem_pthread.dylib 0x180d96eec _pthread_wqthread + 884
2 libsystem_pthread.dylib 0x180d96b6c start_wqthread + 4
#14. Thread
0 libsystem_kernel.dylib 0x180c84d80 __workq_kernreturn + 8
1 libsystem_pthread.dylib 0x180d96eec _pthread_wqthread + 884
2 libsystem_pthread.dylib 0x180d96b6c start_wqthread + 4
#15. Thread
0 libsystem_kernel.dylib 0x180c84d80 __workq_kernreturn + 8
1 libsystem_pthread.dylib 0x180d97080 _pthread_wqthread + 1288
2 libsystem_pthread.dylib 0x180d96b6c start_wqthread + 4
#16. Thread
0 libsystem_kernel.dylib 0x180c84d80 __workq_kernreturn + 8
1 libsystem_pthread.dylib 0x180d96eec _pthread_wqthread + 884
2 libsystem_pthread.dylib 0x180d96b6c start_wqthread + 4
#17. Thread
0 libsystem_kernel.dylib 0x180c84d80 __workq_kernreturn + 8
1 libsystem_pthread.dylib 0x180d96eec _pthread_wqthread + 884
2 libsystem_pthread.dylib 0x180d96b6c start_wqthread + 4