Getting error in react native expo.

[VasudevHarshal-123]

I'm building my application using expo. I copied the exact code mentioned in expo example and I'm getting an warning:

    `Warning: Failed prop type: Invalid prop `color` supplied to `Text`:
Valid color formats are
  - '#f0f' (#rgb)
  - '#f0fc' (#rgba)
  - '#ff00ff' (#rrggbb)
  - '#ff00ff00' (#rrggbbaa)
  - 'rgb(255, 255, 255)'
  - 'rgba(255, 255, 255, 1.0)'
  - 'hsl(360, 100%, 100%)'
  - 'hsla(360, 100%, 100%, 1.0)'
  - 'transparent'
  - 'red'
  - 0xff00ff00 (0xrrggbbaa)

Bad object: {
  "fontSize": 12,
  "fontWeight": "bold",
  "color": ""
}
    in Text (at CNStyledText.js:25)
    in CNStyledText (at CNTextInput.js:1347)
    in RCTVirtualText (at Text.js:156)
    in TouchableText (at Text.js:283)
    in Text (at TextInput.js:1105)
    in AndroidTextInput (at TextInput.js:1111)
    in TouchableWithoutFeedback (at TextInput.js:1134)
    in InternalTextInput (at TextInput.js:1159)
    in ForwardRef(TextInput) (at CNTextInput.js:1320)
    in CNTextInput (at CNRichTextEditor.js:416)
    in RCTView (at View.js:34)
    in View (at CNRichTextEditor.js:409)
    in RCTView (at View.js:34)
    in View (at CNRichTextEditor.js:579)
    in RCTView (at View.js:34)
    in View (at ScrollView.js:1124)
    in RCTScrollView (at ScrollView.js:1260)
    in ScrollView (at ScrollView.js:1286)
    in ScrollView (at CNRichTextEditor.js:569)
    in RCTView (at View.js:34)
    in View (at CNRichTextEditor.js:562)
    in CNRichTextEditor (at TextEditorNew.js:315)
    in RCTView (at View.js:34)
    in View (at TextEditorNew.js:314)
    in TouchableWithoutFeedback (at TextEditorNew.js:313)
    in RCTView (at View.js:34)
    in View (created by MenuProvider)
    in RCTView (at View.js:34)
    in View (created by MenuProvider)
    in MenuProvider (at TextEditorNew.js:312)
    in RCTView (at View.js:34)
    in View (at KeyboardAvoidingView.js:204)
    in KeyboardAvoidingView (at TextEditorNew.js:306)
    in TextEditorNew (at SceneView.tsx:122)
    in StaticContainer
    in StaticContainer (at SceneView.tsx:115)
    in EnsureSingleNavigator (at SceneView.tsx:114)
    in SceneView (at useDescriptors.tsx:153)
    in RCTView (at View.js:34)
    in View (at NativeStackView.tsx:43)
    in DebugContainer (at NativeStackView.tsx:81)
    in MaybeNestedStack (at NativeStackView.tsx:219)
    in RNSScreen (at createAnimatedComponent.js:165)
    in AnimatedComponent (at createAnimatedComponent.js:215)
    in ForwardRef(AnimatedComponentWrapper) (at src/index.native.tsx:147)
    in Screen (at NativeStackView.tsx:153)
    in RNSScreenStack (at NativeStackView.tsx:124)
    in NativeStackView (at createNativeStackNavigator.tsx:64)
    in NativeStackNavigator (at App.js:26)
    in EnsureSingleNavigator (at BaseNavigationContainer.tsx:409)
    in ForwardRef(BaseNavigationContainer) (at NavigationContainer.tsx:91)
    in ThemeProvider (at NavigationContainer.tsx:90)
    in ForwardRef(NavigationContainer) (at App.js:25)
    in RCTView (at View.js:34)
    in View (at SafeAreaView.js:41)
    in ForwardRef(SafeAreaView) (at App.js:24)
    in App (created by ExpoRoot)
    in ExpoRoot (at renderApplication.js:45)
    in RCTView (at View.js:34)
    in View (at AppContainer.js:106)
    in RCTView (at View.js:34)
    in View (at AppContainer.js:132)
    in AppContainer (at renderApplication.js:39)
at node_modules\expo\build\logs\LogSerialization.js:155:14 in _captureConsoleStackTrace
at node_modules\expo\build\logs\LogSerialization.js:41:26 in serializeLogDataAsync
- ... 9 more stack frames from framework internals`

I'm running my app in expo simulator from the play store. In my simulator, I'm getting error:

     `setSpan (28...28) ends beyond length 27` 

when I erase the text. and when I try to write the cursor glitches between captions.
How can I run this editor without any error?