"exception" : {"codes":"0x0000000000000000, 0x0000000000000000","rawCodes":[0,0],"type":"EXC_CRASH","signal":"SIGABRT"}, "termination" : {"flags":0,"code":6,"namespace":"SIGNAL","indicator":"Abort trap: 6","byProc":"DNC","byPid":1962}, "asi" : {"libsystem_c.dylib":["abort() called"]}, "lastExceptionBacktrace" : [{"imageOffset":969512,"symbol":"__exceptionPreprocess","symbolLocation":164,"imageIndex":4},{"imageOffset":175992,"symbol":"objc_exception_throw","symbolLocation":60,"imageIndex":12},{"imageOffset":2135004,"imageIndex":2},{"imageOffset":2599032,"imageIndex":2},{"imageOffset":2601096,"imageIndex":2},{"imageOffset":203908,"symbol":"__invoking___","symbolLocation":148,"imageIndex":4},{"imageOffset":202512,"symbol":"-[NSInvocation invoke]","symbolLocation":428,"imageIndex":4},{"imageOffset":202040,"symbol":"-[NSInvocation invokeWithTarget:]","symbolLocation":64,"imageIndex":4},{"imageOffset":2337508,"imageIndex":2},{"imageOffset":2345960,"imageIndex":2},{"imageOffset":2345016,"imageIndex":2},{"imageOffset":8508,"symbol":"_dispatch_call_block_and_release","symbolLocation":32,"imageIndex":13},{"imageOffset":15828,"symbol":"_dispatch_client_callout","symbolLocation":20,"imageIndex":13},{"imageOffset":46080,"symbol":"_dispatch_lane_serial_drain","symbolLocation":748,"imageIndex":13},{"imageOffset":48944,"symbol":"_dispatch_lane_invoke","symbolLocation":380,"imageIndex":13},{"imageOffset":93364,"symbol":"_dispatch_root_queue_drain_deferred_wlh","symbolLocation":288,"imageIndex":13},{"imageOffset":91432,"symbol":"_dispatch_workloop_worker_thread","symbolLocation":404,"imageIndex":13},{"imageOffset":7968,"symbol":"_pthread_wqthread","symbolLocation":288,"imageIndex":10},{"imageOffset":8128,"symbol":"start_wqthread","symbolLocation":8,"imageIndex":10}], "faultingThread" : 3, And here the .crash file generated Exception Type: EXC_CRASH (SIGABRT) Exception Codes: 0x0000000000000000, 0x0000000000000000 Termination Reason: SIGNAL 6 Abort trap: 6 Terminating Process: DNC [1474] Triggered by Thread: 1 Last Exception Backtrace: 0 CoreFoundation 0x19a276b28 __exceptionPreprocess + 164 (NSException.m:249) 1 libobjc.A.dylib 0x1920f2f78 objc_exception_throw + 60 (objc-exception.mm:356) 2 DNC 0x1045e3f20 RCTFatal + 568 (RCTAssert.m:147) 3 DNC 0x1046553bc -[RCTExceptionsManager reportFatal:stack:exceptionId:extraDataAsJSON:] + 488 (RCTExceptionsManager.mm:82) 4 DNC 0x104655bcc -[RCTExceptionsManager reportException:] + 1304 (RCTExceptionsManager.mm:154) 5 CoreFoundation 0x19a1bbc84 __invoking___ + 148 (:-1) 6 CoreFoundation 0x19a1bb710 -[NSInvocation invoke] + 428 (NSForwarding.m:3411) 7 CoreFoundation 0x19a1bb538 -[NSInvocation invokeWithTarget:] + 64 (NSForwarding.m:3508) 8 DNC 0x104615628 -[RCTModuleMethod invokeWithBridge:module:arguments:] + 388 (RCTModuleMethod.mm:584) 9 DNC 0x10461772c facebook::react::invokeInner(RCTBridge*, RCTModuleData*, unsigned int, folly::dynamic const&, int, (anonymous namespace)::SchedulingContext) + 456 (RCTNativeModule.mm:196) 10 DNC 0x10461737c facebook::react::RCTNativeModule::invoke(unsigned int, folly::dynamic&&, int)::$_0::operator()() const + 68 (RCTNativeModule.mm:113) 11 DNC 0x10461737c invocation function for block in facebook::react::RCTNativeModule::invoke(unsigned int, folly::dynamic&&, int) + 112 (RCTNativeModule.mm:104) 12 libdispatch.dylib 0x1a208513c _dispatch_call_block_and_release + 32 (init.c:1530) 13 libdispatch.dylib 0x1a2086dd4 _dispatch_client_callout + 20 (object.m:576) 14 libdispatch.dylib 0x1a208e400 _dispatch_lane_serial_drain + 748 (queue.c:3900) 15 libdispatch.dylib 0x1a208ef30 _dispatch_lane_invoke + 380 (queue.c:3991) 16 libdispatch.dylib 0x1a2099cb4 _dispatch_root_queue_drain_deferred_wlh + 288 (queue.c:6998) 17 libdispatch.dylib 0x1a2099528 _dispatch_workloop_worker_thread + 404 (queue.c:6592) 18 libsystem_pthread.dylib 0x1f616cf20 _pthread_wqthread + 288 (pthread.c:2665) 19 libsystem_pthread.dylib 0x1f616cfc0 start_wqthread + 8 (:-1)