我的项目不断报告织物崩溃。这是错误日志：
Fatal Exception: NSInternalInconsistencyException
0 CoreFoundation 0x20a2a3518 __exceptionPreprocess
1 libobjc.A.dylib 0x20947e9f8 objc_exception_throw
2 CoreFoundation 0x20a1bd148 +[_CFXNotificationTokenRegistration keyCallbacks]
3 Foundation 0x20ac801c8 -[NSAssertionHandler handleFailureInMethod:object:file:lineNumber:description:]
4 myApp 0x100da8b64 -[KeychainItemWrapper writeToKeychain] + 315 (KeychainItemWrapper.m:315)
5 myApp 0x100da7f40 -[KeychainItemWrapper setObject:forKey:] + 185 (KeychainItemWrapper.m:185)
6 myApp 0x100e8f940 static Functions.getUUIDString() + 117 (Functions.swift:117)
7 myApp 0x100edc844 WebServices.validatePinAPIWith(PinEntered:Domain:success:failure:) + 295 (WebServices.swift:295)
8 myApp 0x100e05ebc SessionLoginVC.signinUserWithPin(Pin:) + 146 (SessionLoginVC.swift:146)
9 myApp 0x100e05c04 SessionLoginVC.viewWillAppear(_:) + 33 (SessionLoginVC.swift:33)
10 myApp 0x100e05f38 @objc SessionLoginVC.viewWillAppear(_:) (<compiler-generated>)
11 UIKitCore 0x235a72014 -[UIViewController _setViewAppearState:isAnimating:]
12 UIKitCore 0x235a726e0 -[UIViewController __viewWillAppear:]
13 UIKitCore 0x2359dd310 -[UINavigationController _startTransition:fromViewController:toViewController:]
14 UIKitCore 0x2359ddf7c -[UINavigationController _startDeferredTransitionIfNeeded:]
15 UIKitCore 0x2359df210 -[UINavigationController __viewWillLayoutSubviews]
16 UIKitCore 0x2359c2420 -[UILayoutContainerView layoutSubviews]
17 UIKitCore 0x23649de54 -[UIView(CALayerDelegate) layoutSublayersOfLayer:]
18 QuartzCore 0x20e7311f0 -[CALayer layoutSublayers]
19 QuartzCore 0x20e736198 CA::Layer::layout_if_needed(CA::Transaction*)
20 QuartzCore 0x20e6990a8 CA::Context::commit_transaction(CA::Transaction*)
21 QuartzCore 0x20e6c7108 CA::Transaction::commit()
22 UIKitCore 0x23602e534 __34-[UIApplication _firstCommitBlock]_block_invoke_2
23 CoreFoundation 0x20a23510c __CFRUNLOOP_IS_CALLING_OUT_TO_A_BLOCK__
24 CoreFoundation 0x20a234a10 __CFRunLoopDoBlocks
25 CoreFoundation 0x20a22fa74 __CFRunLoopRun
26 CoreFoundation 0x20a22f354 CFRunLoopRunSpecific
27 GraphicsServices 0x20c42f79c GSEventRunModal
28 UIKitCore 0x236015b68 UIApplicationMain
29 myApp 0x100e7112c main + 23 (AppDelegate.swift:23)
30 libdyld.dylib 0x209cf58e0 start
只有 2 个用户受到影响，在崩溃报告中我可以看到操作系统是 12.2.0，设备是 iPad Air。我完全无法重现或解决此错误。任何帮助将不胜感激。