I have received this report through firebase analytics(Crashlytics) and I have no idea what it is. Would you help me? The problem is only in iOS 14. (iOS 14.4.0, 14.5.0, 14.6.0) EXC_BAD_ACCESS KERN_INVALID_ADDRESS 0x0000000000000074 Crashed: com.apple.main-thread 0 UIKitCore 0x19c2517dc ___UIKitCoreGlyphsManager_block_invoke + 140 1 libdispatch.dylib 0x19907f81c _dispatch_client_callout + 20 2 libdispatch.dylib 0x1990810b4 _dispatch_once_callout + 32 3 UIKitCore 0x19c25174c _UIKitCoreGlyphsManager + 64 4 UIKitCore 0x19ba2de24 +[UIImage _systemImageNamed:withConfiguration:allowPrivate:] + 280 5 UIKitCore 0x19bc34a50 -[UIKeyboardDockItem imageWithRenderConfig:] + 292 6 UIKitCore 0x19bc34ad4 -[UIKeyboardDockItem setImageName:] + 60 7 UIKitCore 0x19bc34714 -[UIKeyboardDockItem initWithImageName:identifier:] + 112 8 UIKitCore 0x19bc9ef78 -[UISystemKeyboardDockController loadView] + 228 9 UIKitCore 0x19b7575ac -[UIViewController loadViewIfRequired] + 200 10 UIKitCore 0x19b757c64 -[UIViewController view] + 32 11 UIKitCore 0x19bc2604c -[UIInputWindowControllerHostingItem updateKeyboardDockViewVisibility] + 84 12 CoreFoundation 0x1994105bc __NSARRAY_IS_CALLING_OUT_TO_A_BLOCK__ + 24 13 CoreFoundation 0x19936ab8c -[__NSSingleObjectArrayI enumerateObjectsWithOptions:usingBlock:] + 92 14 UIKitCore 0x19bc1ab74 -[UIInputWindowController changeToInputViewSet:] + 2212 15 UIKitCore 0x19bc1ccac -[UIInputWindowController transferPlacementStateToInputWindowController:] + 428 16 UIKitCore 0x19bc1479c -[UIInputWindowController performOperations:withAnimationStyle:] + 60 17 UIKitCore 0x19bcb0da8 __63+[UIRemoteKeyboardWindow remoteKeyboardWindowForScreen:create:]_block_invoke + 396 18 UIKitCore 0x19c3b4920 +[UIView(Animation) performWithoutAnimation:] + 104 19 UIKitCore 0x19bcb0bb8 +[UIRemoteKeyboardWindow remoteKeyboardWindowForScreen:create:] + 308 20 UIKitCore 0x19bcb6f28 -[_UIRemoteKeyboards prepareToMoveKeyboard:withIAV:isIAVRelevant:showing:notifyRemote:forScene:] + 632 21 UIKitCore 0x19b8c6998 -[UIInputResponderController prepareToMoveKeyboardForInputViewSet:animationStyle:] + 492 22 UIKitCore 0x19b8c4c8c -[UIInputResponderController setKeyWindowSceneInputViews:animationStyle:] + 656 23 UIKitCore 0x19b8c49c8 -[UIInputResponderController setInputViews:animationStyle:] + 236 24 UIKitCore 0x19b8c5f24 -[UIInputResponderController setInputViews:animated:] + 100 25 UIKitCore 0x19b8c5fa0 -[UIInputResponderController setInputViews:] + 80 26 UIKitCore 0x19b8c3834 __74-[UIInputResponderController _reloadInputViewsForKeyWindowSceneResponder:]_block_invoke.666 + 40 27 UIKitCore 0x19b8c3310 -[UIInputResponderController _reloadInputViewsForKeyWindowSceneResponder:] + 3972 28 UIKitCore 0x19b8c2360 -[UIInputResponderController _reloadInputViewsForResponder:] + 164 29 UIKitCore 0x19bebbe0c -[UIResponder(UIResponderInputViewAdditions) reloadInputViews] + 132 30 UIKitCore 0x19beb7168 -[UIResponder becomeFirstResponder] + 780 31 UIKitCore 0x19c3abf34 -[UIView(Hierarchy) becomeFirstResponder] + 176 32 UIKitCore 0x19c1a4854 -[UITextField becomeFirstResponder] + 204 33 MyApp 0x1008f54a8 -[LoginPhoneNumberInput becomeFirstResponder] + 125 (LoginPhoneNumberInput.m:125) 34 MyApp 0x1008f5a90 -[LoginViewController viewDidAppear:] + 71 (LoginViewController.m:71) 35 UIKitCore 0x19b75d3e4 -[UIViewController _setViewAppearState:isAnimating:] + 892 36 UIKitCore 0x19b75ddc0 -[UIViewController __viewDidAppear:] + 172 37 UIKitCore 0x19b68bca4 -[UINavigationController viewDidAppear:] + 192 38 UIKitCore 0x19b75d3e4 -[UIViewController _setViewAppearState:isAnimating:] + 892 39 UIKitCore 0x19b75ddc0 -[UIViewController __viewDidAppear:] + 172 40 UIKitCore 0x19b75e100 -[UIViewController _endAppearanceTransition:] + 252 41 UIKitCore 0x19b6397d8 __48-[UIPresentationController transitionDidFinish:]_block_invoke + 140 42 UIKitCore 0x19c35dc98 -[_UIAfterCACommitBlock run] + 72 43 UIKitCore 0x19be906c4 _runAfterCACommitDeferredBlocks + 300 44 UIKitCore 0x19be7f03c _cleanUpAfterCAFlushAndRunDeferredBlocks + 204 45 UIKitCore 0x19beb2f10 _afterCACommitHandler + 80 46 CoreFoundation 0x19940b5e0 __CFRUNLOOP_IS_CALLING_OUT_TO_AN_OBSERVER_CALLBACK_FUNCTION__ + 36 47 CoreFoundation 0x199405704 __CFRunLoopDoObservers + 572 48 CoreFoundation 0x199405cb0 __CFRunLoopRun + 1052 49 CoreFoundation 0x199405360 CFRunLoopRunSpecific + 600 50 GraphicsServices 0x1b0a43734 GSEventRunModal + 164 51 UIKitCore 0x19be80584 -[UIApplication _run] + 1072 52 UIKitCore 0x19be85df4 UIApplicationMain + 168 53 MyApp 0x10052bdd8 main + 22 (main.m:22) 54 libdyld.dylib 0x1990c1cf8 start + 4