When I sent payload data its will crash app some time, I attach stack as well

[viralbhalala]

Thread 2 Crashed:
0 CoreFoundation 0x31f4fc98c __exceptionPreprocess
1 libobjc.A.dylib 0x3410160a0 objc_exception_throw
2 CoreFoundation 0x31f400438 -[NSObject(NSObject) doesNotRecognizeSelector:]
3 CoreFoundation 0x31f500e04 forwarding
4 CoreFoundation 0x31f502be8 _CF_forwarding_prep_0
5 libswiftCore.dylib 0x32f64beac Dictionary._Variant.setValue
6 libswiftCore.dylib 0x32f819778 Dictionary.subscript.setter
7 libswiftCore.dylib 0x32f61c6c8 Dictionary.subscript.setter
8 Birdsong 0x102863cd8 Socket.send
9 Birdsong 0x102854ffc Channel.send
10 Appname 0x200b71624 SocketManager.fetchAllFeedsPosts
11 Appname 0x200ac4d54 @callee_guaranteed
12 libdispatch.dylib 0x197b8960c _dispatch_call_block_and_release
13 libdispatch.dylib 0x197b8a180 _dispatch_client_callout
14 libdispatch.dylib 0x197b70234 _dispatch_root_queue_drain
15 libdispatch.dylib 0x197b708ac _dispatch_worker_thread2
16 libsystem_pthread.dylib 0x3182b3f60 _pthread_wqthread
17 libsystem_pthread.dylib 0x3182b6adc start_wqthread

Thread 0
0 libsystem_kernel.dylib 0x197c935f4 mach_msg_trap
1 libsystem_kernel.dylib 0x197c92a5c mach_msg
2 CoreFoundation 0x31f47a064 __CFRunLoopServiceMachPort
3 CoreFoundation 0x31f475184 __CFRunLoopRun
4 CoreFoundation 0x31f4748b8 CFRunLoopRunSpecific
5 GraphicsServices 0x356e75324 GSEventRunModal
6 UIKitCore 0x3305de6d0 UIApplicationMain
7 Appname 0x201133964 main
8 libdyld.dylib 0x317e7245c start

Thread 1
0 libsystem_kernel.dylib 0x197cb5a74 __workq_kernreturn
1 libsystem_pthread.dylib 0x3182b3fec _pthread_wqthread

Thread 3
0 libsystem_pthread.dylib 0x3182b6ad8 start_wqthread

Thread 4
0 libsystem_pthread.dylib 0x3182b6ad8 start_wqthread

Thread 5
0 libsystem_kernel.dylib 0x197cb5a74 __workq_kernreturn
1 libsystem_pthread.dylib 0x3182b3fec _pthread_wqthread

Thread 6 name: com.apple.uikit.eventfetch-thread
0 libsystem_kernel.dylib 0x197c935f4 mach_msg_trap
1 libsystem_kernel.dylib 0x197c92a5c mach_msg
2 CoreFoundation 0x31f47a064 __CFRunLoopServiceMachPort
3 CoreFoundation 0x31f475184 __CFRunLoopRun
4 CoreFoundation 0x31f4748b8 CFRunLoopRunSpecific
5 Foundation 0x319e07990 -[NSRunLoop(NSRunLoop) runMode:beforeDate:]
6 Foundation 0x319e07870 -[NSRunLoop(NSRunLoop) runUntilDate:]
7 UIKitCore 0x330676498 -[UIEventFetcher threadMain]
8 Foundation 0x319f380ac NSThread__start
9 libsystem_pthread.dylib 0x3182b31e8 _pthread_start

Thread 7
0 libsystem_kernel.dylib 0x197cb5238 __semwait_signal
1 libsystem_c.dylib 0x197b21640 nanosleep
2 libsystem_c.dylib 0x197b21440 sleep
3 Sentry 0x103584504 monitorCachedData
4 libsystem_pthread.dylib 0x3182b31e8 _pthread_start

Thread 8 name: SentryCrash Exception Handler (Secondary)
0 libsystem_kernel.dylib 0x197c935f4 mach_msg_trap
1 libsystem_kernel.dylib 0x197c92a5c mach_msg
2 libsystem_kernel.dylib 0x197caf320 thread_suspend
3 Sentry 0x1035986c4 handleExceptions
4 libsystem_pthread.dylib 0x3182b31e8 _pthread_start

Thread 9 name: SentryCrash Exception Handler (Primary)
0 libsystem_kernel.dylib 0x197c935f4 mach_msg_trap
1 libsystem_kernel.dylib 0x197c92a5c mach_msg
2 Sentry 0x103598704 handleExceptions
3 libsystem_pthread.dylib 0x3182b31e8 _pthread_start

Thread 10
0 libsystem_kernel.dylib 0x197cb5a74 __workq_kernreturn
1 libsystem_pthread.dylib 0x3182b3fec _pthread_wqthread

Thread 11
0 libsystem_pthread.dylib 0x3182b6ad8 start_wqthread

Thread 12
0 libsystem_kernel.dylib 0x197cb5a74 __workq_kernreturn
1 libsystem_pthread.dylib 0x3182b3fec _pthread_wqthread

Thread 13 name: com.twitter.crashlytics.ios.MachExceptionServer
0 libsystem_kernel.dylib 0x197c935f4 mach_msg_trap
1 libsystem_kernel.dylib 0x197c92a5c mach_msg
2 Appname 0x20136b5b8 CLSMachExceptionServer
3 libsystem_pthread.dylib 0x3182b31e8 _pthread_start

Thread 14 name: com.apple.CFStream.LegacyThread
0 libsystem_kernel.dylib 0x197c935f4 mach_msg_trap
1 libsystem_kernel.dylib 0x197c92a5c mach_msg
2 CoreFoundation 0x31f47a064 __CFRunLoopServiceMachPort
3 CoreFoundation 0x31f475184 __CFRunLoopRun
4 CoreFoundation 0x31f4748b8 CFRunLoopRunSpecific
5 CoreFoundation 0x31f492d5c _legacyStreamRunLoop_workThread
6 libsystem_pthread.dylib 0x3182b31e8 _pthread_start

Thread 15 name: com.apple.NSURLConnectionLoader
0 libsystem_kernel.dylib 0x197c935f4 mach_msg_trap
1 libsystem_kernel.dylib 0x197c92a5c mach_msg
2 CoreFoundation 0x31f47a064 __CFRunLoopServiceMachPort
3 CoreFoundation 0x31f475184 __CFRunLoopRun
4 CoreFoundation 0x31f4748b8 CFRunLoopRunSpecific
5 CFNetwork 0x34fe4ae68
6 Foundation 0x319f380ac NSThread__start
7 libsystem_pthread.dylib 0x3182b31e8 _pthread_start

Thread 16 name: com.apple.CFSocket.private
0 libsystem_kernel.dylib 0x197cb5148 select$DARWIN_EXTSN
1 CoreFoundation 0x31f487b38 __CFSocketManager
2 libsystem_pthread.dylib 0x3182b31e8 _pthread_start

Thread 17
0 libsystem_kernel.dylib 0x197cb5a74 __workq_kernreturn
1 libsystem_pthread.dylib 0x3182b3fec _pthread_wqthread

Thread 18 name: com.apple.vectorkit.dispatch.imageLoaderQueue
0 libsystem_kernel.dylib 0x197c93648 semaphore_timedwait_trap
1 libdispatch.dylib 0x197b5bf2c _dispatch_sema4_timedwait$VARIANT$armv81
2 libdispatch.dylib 0x197b5c4b4 _dispatch_semaphore_wait_slow
3 libdispatch.dylib 0x197b6ff40 _dispatch_worker_thread
4 libsystem_pthread.dylib 0x3182b31e8 _pthread_start

Thread 19 name: com.apple.vectorkit.dispatch.imageLoaderQueue
0 libsystem_kernel.dylib 0x197c93648 semaphore_timedwait_trap
1 libdispatch.dylib 0x197b5bf2c _dispatch_sema4_timedwait$VARIANT$armv81
2 libdispatch.dylib 0x197b5c4b4 _dispatch_semaphore_wait_slow
3 libdispatch.dylib 0x197b6ff40 _dispatch_worker_thread
4 libsystem_pthread.dylib 0x3182b31e8 _pthread_start