Fatal Exception: NSInternalInconsistencyException 0 CoreFoundation 0x9e88 __exceptionPreprocess 1 libobjc.A.dylib 0x178d8 objc_exception_throw 2 Foundation 0x545b4c _userInfoForFileAndLine 3 UIKitCore 0x82544 -[UIApplication _performAfterCATransactionCommitsWithLegacyRunloopObserverBasedTiming:block:] 4 UIKitCore 0x1b646c -[UIApplication _updateSerializableKeyCommandsForResponder:] 5 UIKitCore 0x328e34 -[UIViewController setChildModalViewController:] 6 UIKitCore 0x327ac4 -[UIViewController _presentViewController:modalSourceViewController:presentationController:animationController:interactionController:completion:] 7 UIKitCore 0x3274f0 -[UIViewController _presentViewController:withAnimationController:completion:] 8 UIKitCore 0x3267ec __63-[UIViewController _presentViewController:animated:completion:]_block_invoke 9 UIKitCore 0x304984 -[UIViewController _performCoordinatedPresentOrDismiss:animated:] 10 UIKitCore 0xd2af0 -[UIViewController _presentViewController:animated:completion:] 11 UIKitCore 0xd292c -[UIViewController presentViewController:animated:completion:] 12 WebKit 0x422354 WebKit::alertForPermission(WebKit::WebPageProxy&, WebKit::MediaPermissionReason, WebCore::SecurityOriginData const&, WTF::CompletionHandler&&) 13 WebKit 0x6069e8 WebKit::UserMediaPermissionRequestProxy::promptForGetUserMedia() 14 WebKit 0x60d5e4 WTF::Detail::CallableWrapper&&, WTF::Vector&&, WTF::String&&)::$_11, void, bool>::call(bool) 15 WebKit 0x19d14 WTF::CompletionHandler::operator()(bool) 16 WebKit 0x60c93c WTF::Detail::CallableWrapper&&, WTF::Vector&&, WTF::String&&), void, WTF::Vector&&, WTF::Vector&&, WTF::String&&>::call(WTF::Vector&&, WTF::Vector&&, WTF::String&&) 17 WebCore 0x1c8d818 (Missing UUID d243ecf0fbc236959b5a6f661caae5c0) 18 WebCore 0x1c9a9f8 (Missing UUID d243ecf0fbc236959b5a6f661caae5c0) 19 WebCore 0x1c760c0 (Missing UUID d243ecf0fbc236959b5a6f661caae5c0) 20 CoreFoundation 0xd5f54 __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ 21 CoreFoundation 0xe232c __CFRunLoopDoSource0 22 CoreFoundation 0x66210 __CFRunLoopDoSources0 23 CoreFoundation 0x7bba8 __CFRunLoopRun 24 CoreFoundation 0x80ed4 CFRunLoopRunSpecific 25 WebCore 0xbbcbe8 (Missing UUID d243ecf0fbc236959b5a6f661caae5c0) 26 libsystem_pthread.dylib 0x16cc _pthread_start 27 libsystem_pthread.dylib 0xba4 thread_start