I received an error message when starting the application in a few minutes.
Msg Error: (trace 3 threads)
thread # 1: tid = 0x7940d5, 0x0000000110b58c96 libsystem_kernel.dylib`mach_msg_trap + 10, queue = 'com.apple.main-thread'
- frame # 0: 0x0000000110b58c96 libsystem_kernel.dylib
mach_msg_trap + 10
frame #1: 0x0000000110b580d7 libsystem_kernel.dylibmach_msg + 55 frame # 2: 0x000000010d69cb64 CoreFoundation __CFRunLoopServiceMachPort + 212
frame #3: 0x000000010d69bfbf CoreFoundation__ CFRunLoopRun + 1295 frame # 4: 0x000000010d69b828 CoreFoundation CFRunLoopRunSpecific + 488
frame #5: 0x0000000112854ad2 GraphicsServicesGSEventRunModal + 161 UIApplicationMain + 171
frame #7: 0x000000010c0e6cff JJTestframe116f011f01601f01601f01601f01601f01601f01601f01601f01601f01601f01601f01601f01601f01601f01601f01601f6f601f601f01601f016f601f01601f01601f016f601f01601f01601f01601f01601f01601f01601f01601f01601f01601f01 .m: 16 frame # 8: 0x000000011081e92d libdyld.dylib start + 1
frame #9: 0x000000011081e92d libdyld.dylibstart + 1
thread # 16: tid = 0x795b43, 0x000000010c968d10 libobjc.A.dylib`objc_retain + 16, name = 'com.squareup.SocketRocket.NetworkThread', stop reason = EXC_BAD_ACCESS (code = 1, address = 0x20)
- frame # 0: 0x000000010c968d10 libobjc.A.dylib
objc_retain + 16
frame #1: 0x000000010c968d4a libobjc.A.dylib objc_storeStrong + 32
frame # 2: 0x000000010c1f28d1 JJTest __copy_helper_block_((null)=0x00007f92cd0f81a0, (null)=0x0000700000739ae8) + 113 at RCTSRWebSocket.m:0
frame #3: 0x000000011086159d libsystem_blocks.dylib _Block_copy_internal + 325
frame # 4: 0x00000001107c9e45 libdispatch.dylib _dispatch_Block_copy + 43
frame #5: 0x00000001107cdb4a libdispatch.dylib dispatch_async + 57
frame # 6: 0x000000010c1f1c0b JJTest -[RCTSRWebSocket stream:handleEvent:](self=0x00007f92cd2f1de0, _cmd="stream:handleEvent:", aStream=0x00007f92cd237020, eventCode=NSStreamEventErrorOccurred) + 1611 at RCTSRWebSocket.m:1351
frame #7: 0x000000010d6e4a44 CoreFoundation _signalEventSync + 180
frame # 8: 0x000000010d718d4e CoreFoundation _cfstream_shared_signalEventSync + 478
frame #9: 0x000000010d6a6a31 CoreFoundation CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION + 17
frame # 10: 0x000000010d69c95c CoreFoundation __CFRunLoopDoSources0 + 556
frame #11: 0x000000010d69be13 CoreFoundation CFRunLoopRun + 867
frame # 12: 0x000000010d69b828 CoreFoundation CFRunLoopRunSpecific + 488
frame #13: 0x000000010c5422f1 Foundation - [NSRunLoop (NSRunLoop) runMode: beforeDate:] + 267
frame # 14: 0x000000010c1f3af8 JJTest -[_RCTSRRunLoopThread main](self=0x00007f92caeb7d30, _cmd="main") + 376 at RCTSRWebSocket.m:1620
frame #15: 0x000000010c5dfdfb Foundation __ NSThread__start + 1198
frame # 16: 0x0000000110b229b1 libsystem_pthread.dylib _pthread_body + 131
frame #17: 0x0000000110b2292e libsystem_pthread.dylib _pthread_start + 168
frame # 18: 0x0000000110b20385 libsystem_pthread.dylib`thread_start + 13
thread # 162: tid = 0x7d2897, 0x0000000110b58c96 libsystem_kernel.dylib`mach_msg_trap + 10, name = 'com.facebook.React.JavaScript'
- frame # 0: 0x0000000110b58c96 libsystem_kernel.dylib
mach_msg_trap + 10
frame #1: 0x0000000110b580d7 libsystem_kernel.dylib mach_msg + 55
frame # 2: 0x000000010d69cb64 CoreFoundation __CFRunLoopServiceMachPort + 212
frame #3: 0x000000010d69bfbf CoreFoundation __ CFRunLoopRun + 1295
frame # 4: 0x000000010d69b828 CoreFoundation CFRunLoopRunSpecific + 488
frame #5: 0x000000010c14a84b JJTest + [RCTContextExecutor runRunLoopThread] (self = RCTContextExecutor, _cmd = "runRunLoopThread" ) + 363 RCTContextExecutor.m: 284
frame # 6: 0x000000010c5dfdfb Foundation __NSThread__start__ + 1198
frame #7: 0x0000000110b229b1 libsystem_pthread.dylib _pthread_body + 131
frame # 8: 0x0000000110b2292e libsystem_pthread.dylib _pthread_start + 168
frame #9: 0x0000000110b20385 libsystem_pthread.dylib thread_start + 13
RN: 0,17,0