Can't perform a React state update on an unmounted component. This is a no-op, but it indicates a memory leak in your application. To fix, cancel all subscriptions and asynchronous tasks in the componentWillUnmount method.

I'm getting warning
```
Warning: Can't perform a React state update on an unmounted component. This is a no-op, but it indicates a memory leak in your application. To fix, cancel all subscriptions and asynchronous tasks in the componentWillUnmount method.
at node_modules/react/cjs/react.development.js:471:2 in Component.prototype.setState
at node_modules/react-native-read-more-text/index.js:11:2 in ReadMore#componentDidMount
at [native code]:null in flushedQueue
at [native code]:null in invokeCallbackAndReturnFlushedQueue
```
Anyone can help me with that please?