Here is the logs
thread #1: tid = 0xa0213f, 0xffffff8000000002, queue = 'com.apple.main-thread', stop reason = EXC_BAD_ACCESS (code=257, address=0x8000000000000002)
(lldb) bt all
* thread #1, queue = 'com.apple.main-thread', stop reason = EXC_BAD_ACCESS (code=257, address=0x8000000000000002)
frame #0: 0xffffff8000000002
frame #1: 0x0000000104a3875c GameKitWrapper`closure #1 (Swift.Optional<Foundation.URL>, Swift.Optional<Foundation.Data>, Swift.Optional<Foundation.Data>, Swift.UInt64, Swift.Optional<Swift.Error>) -> () in GameKitWrapper.GKLocalPlayer_FetchItems(taskId: Swift.Int64, onSuccess: @convention(c) (Swift.Int64, Swift.UnsafeMutablePointer<Swift.Int8>, Swift.UnsafeMutablePointer<Swift.UInt8>, Swift.Int32, Swift.UnsafeMutablePointer<Swift.UInt8>, Swift.Int32, Swift.UInt) -> (), onError: @convention(c) (Swift.Int64, Swift.UnsafeMutableRawPointer) -> ()) -> () + 784
frame #2: 0x0000000104a387f8 GameKitWrapper`partial apply forwarder for closure #1 (Swift.Optional<Foundation.URL>, Swift.Optional<Foundation.Data>, Swift.Optional<Foundation.Data>, Swift.UInt64, Swift.Optional<Swift.Error>) -> () in GameKitWrapper.GKLocalPlayer_FetchItems(taskId: Swift.Int64, onSuccess: @convention(c) (Swift.Int64, Swift.UnsafeMutablePointer<Swift.Int8>, Swift.UnsafeMutablePointer<Swift.UInt8>, Swift.Int32, Swift.UnsafeMutablePointer<Swift.UInt8>, Swift.Int32, Swift.UInt) -> (), onError: @convention(c) (Swift.Int64, Swift.UnsafeMutableRawPointer) -> ()) -> () + 28
frame #3: 0x0000000104a38964 GameKitWrapper`reabstraction thunk helper from @escaping @callee_guaranteed (@in_guaranteed Swift.Optional<Foundation.URL>, @guaranteed Swift.Optional<Foundation.Data>, @guaranteed Swift.Optional<Foundation.Data>, @unowned Swift.UInt64, @guaranteed Swift.Optional<Swift.Error>) -> () to @escaping @callee_unowned @convention(block) (@unowned Swift.Optional<__C.NSURL>, @unowned Swift.Optional<__C.NSData>, @unowned Swift.Optional<__C.NSData>, @unowned Swift.UInt64, @unowned Swift.Optional<__C.NSError>) -> () + 352
frame #4: 0x00000001c98f7610 GameCenterFoundation`__60-[GKLocalPlayer fetchItemsForIdentityVerificationSignature:]_block_invoke + 260
frame #5: 0x0000000198c5c704 CoreFoundation`__invoking___ + 148
frame #6: 0x0000000198c08b6c CoreFoundation`-[NSInvocation invoke] + 428
frame #7: 0x00000001c995fcc8 GameCenterFoundation`-[NSInvocation(GKProxyHelpers) _gkInvokeOnce] + 24
frame #8: 0x00000001c994a2b8 GameCenterFoundation`__53-[GKDaemonProxy connection:handleInvocation:isReply:]_block_invoke + 28
frame #9: 0x00000001a01c04b4 libdispatch.dylib`_dispatch_call_block_and_release + 32
frame #10: 0x00000001a01c1fdc libdispatch.dylib`_dispatch_client_callout + 20
frame #11: 0x00000001a01d07f4 libdispatch.dylib`_dispatch_main_queue_drain + 928
frame #12: 0x00000001a01d0444 libdispatch.dylib`_dispatch_main_queue_callback_4CF + 44
frame #13: 0x0000000198c826f8 CoreFoundation`__CFRUNLOOP_IS_SERVICING_THE_MAIN_DISPATCH_QUEUE__ + 16
frame #14: 0x0000000198c64058 CoreFoundation`__CFRunLoopRun + 2036
frame #15: 0x0000000198c68ed4 CoreFoundation`CFRunLoopRunSpecific + 612
frame #16: 0x00000001d1f66368 GraphicsServices`GSEventRunModal + 164
frame #17: 0x000000019b1473d0 UIKitCore`-[UIApplication _run] + 888
frame #18: 0x000000019b147034 UIKitCore`UIApplicationMain + 340
frame #19: 0x000000010dcf9594 UnityFramework`-[UnityFramework runUIApplicationMainWithArgc:argv:] + 92
* frame #20: 0x0000000102b3bccc "*Project Name*"`main(argc=<unavailable>, argv=<unavailable>) at main.mm:26:9 [opt]
frame #21: 0x00000001b72d0960 dyld`start + 2528
