App is crashing in testflight

I have created app in react native which is running perfectly on the physical devices when I am running it via expo. But when i build and upload it to appstore to check it in test flightmode it is crashing . Attaching full logs below

Last Exception Backtrace: 0 CoreFoundation 0x1817b10fc _exceptionPreprocess + 220 (NSException.m:200) 1 libobjc.A.dylib 0x19a001d64 objc_exception_throw + 60 (objc-exception.mm:565) 2 LetsPause 0x100a7b100 RCTFatal + 668 (RCTAssert.m:146) 3 LetsPause 0x100af86e0 -[RCTExceptionsManager reportFatal:stack:exceptionId:suppressRedBox:] + 600 (RCTExceptionsManager.mm:89) 4 LetsPause 0x100af909c -[RCTExceptionsManager reportException:] + 1532 (RCTExceptionsManager.mm:164) 5 CoreFoundation 0x18173a3a4 invoking + 148 6 CoreFoundation 0x181757b74 -[NSInvocation invoke] + 468 (NSForwarding.m:3378) 7 CoreFoundation 0x18178e9d4 -[NSInvocation invokeWithTarget:] + 80 (NSForwarding.m:3475) 8 LetsPause 0x100aabef4 -[RCTModuleMethod invokeWithBridge:module:arguments:] + 460 (RCTModuleMethod.mm:584) 9 LetsPause 0x100aae38c facebook::react::invokeInner(RCTBridge*, RCTModuleData*, unsigned int, folly::dynamic const&, int, (anonymous namespace)::SchedulingContext) + 540 (RCTNativeModule.mm:181) 10 LetsPause 0x100aadfc4 operator() + 56 (RCTNativeModule.mm:103) 11 LetsPause 0x100aadfc4 invocation function for block in facebook::react::RCTNativeModule::invoke(unsigned int, folly::dynamic&&, int) + 100 (RCTNativeModule.mm:95) 12 libdispatch.dylib 0x181421924 _dispatch_call_block_and_release + 32 (init.c:1517) 13 libdispatch.dylib 0x181423670 _dispatch_client_callout + 20 (object.m:560) 14 libdispatch.dylib 0x18142adf4 _dispatch_lane_serial_drain + 672 (inline_internal.h:2601) 15 libdispatch.dylib 0x18142b968 _dispatch_lane_invoke + 392 (queue.c:3937) 16 libdispatch.dylib 0x1814361b8 _dispatch_workloop_worker_thread + 656 (queue.c:6727) 17 libsystem_pthread.dylib 0x1f223f0f4 _pthread_wqthread + 288 (pthread.c:2599) 18 libsystem_pthread.dylib 0x1f223ee94 start_wqthread + 8

EOF

PLEASE HELP ME OUT

when i build and upload it to appstore to check it in test flightmode it is crashing

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App is crashing in testflight
 
 
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