Reject issue: Crashed on launch ( using flutter )

Consider this:

Exception Type:  EXC_BAD_ACCESS (SIGSEGV)

Your app crashed trying to access unmapped memory. Look at the crashing thread’s backtrace:

Thread 0 name:   Dispatch queue: com.apple.main-thread
Thread 0 Crashed:
0  nanopb                … pb_enc_bool + 0
1  nanopb                … encode_field + 436
2  nanopb                … pb_encode + 172
3  FirebaseSessions      … FIRSESEncodeProto + 64
4  FirebaseSessions      … SessionStartEvent.transportBytes() + 232
5  FirebaseSessions      … @objc SessionStartEvent.transportBytes() + 28
6  GoogleDataTransport   … -[GDTCOREvent setDataObject:] + 68
7  GoogleDataTransport   … -[GDTCOREvent copy] + 72
8  GoogleDataTransport   … -[GDTCORTransport sendEvent:onComplete:] + 44
9  FirebaseSessions      … protocol witness for GoogleDataTransportProtocol.logGDTEvent(event:completion:) in conformance GDTCORTransport + 176
10 FirebaseSessions      … EventGDTLogger.logEvent(event:completion:) + 224
11 FirebaseSessions      … protocol witness for EventGDTLoggerProtocol.logEvent(event:completion:) in conformance EventGDTLogger + 20
12 FirebaseSessions      … closure #1 in SessionCoordinator.attemptLoggingSessionStart(event:callback:) + 176
13 FirebaseSessions      … closure #1 in SessionCoordinator.fillInFIID(event:callback:) + 180
14 FirebaseSessions      … partial apply for closure #1 in FIRInstallations.installationID(completion:) + 48
15 FirebaseSessions      … thunk for @escaping @callee_guaranteed (@guaranteed String?, @guaranteed Error?) -> () + 96
16 FirebaseInstallations … __49-[FIRInstallations installationIDWithCompletion:]_block_invoke + 56
17 FBLPromises           … __56-[FBLPromise chainOnQueue:chainedFulfill:chainedReject:]_block_invoke.18 + 52
18 libdispatch.dylib     … _dispatch_call_block_and_release + 32

This is the main thread. Frame 18 shows that this code is running because someone scheduled a block on the main queue. All the rest of the code is in your third-party runtime. That’s not something I maintain expertise in. I recommend that you escalate this via the support channel for that runtime.

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—
Quinn “The Eskimo!” @ Developer Technical Support @ Apple
let myEmail = "eskimo" + "1" + "@" + "apple.com"