0 CoreFoundation __exceptionPreprocess + 164 1 libobjc.A.dylib objc_exception_throw + 88 2 CoreFoundation -[__NSArrayI objectAtIndex:] + 0 3 UIKitCore -[UIInputSwitcherView selectedInputMode] + 116 4 UIKitCore -[UIInputSwitcherView didSelectItemAtIndex:] + 148 5 UIKitCore -[UIKeyboardMenuView selectItemAtPoint:] + 92 6 UIKitCore -[UIInputSwitcherView buttonPressed:withEvent:location:isLocationInsideViewHitArea:isForDictation:tapAction:] + 1040 7 UIKitCore -[UISystemKeyboardDockController dictationItemButtonWasPressed:withEvent:isRunningButton:] + 660 8 UIKitCore -[UISystemKeyboardDockController keyboardDockView:didPressDockItem:withEvent:] + 448 9 UIKitCore -[UIKeyboardDockView _dockItemButtonWasTapped:withEvent:] + 120