Что за фигня с кнопкой в React Native?

Invariant Violation: Text strings must be rendered within a <Text> component.
- node_modules\react-native\Libraries\Renderer\oss\ReactNativeRenderer-dev.js:4029:4 in createTextInstance
- node_modules\react-native\Libraries\Renderer\oss\ReactNativeRenderer-dev.js:14495:12 in completeWork
- ... 19 more stack frames from framework internals

<View style={styles.container}>
            <Text style={styles.header}>HE LO</Text>
            <View>
                <Button onPress={() => alert('You tapped the button!')} title="Click"/>
            </View>
</View>