Cannot be multiplied about react-native-raw-bottom-sheet HOT 4 CLOSED

  _renderItem = (item, index) => (
      <View>
        <Button title=`OPEN BOTTOM SHEET-${index}` onPress={() => this[RBSheet + index].open()} />
        <RBSheet
          ref={ref => {
            this[RBSheet + index] = ref;
          }}>
          <YourOwnComponent />
        </RBSheet>
      </View>
    );

  <View>
        <Button
          title="OPEN BOTTOM SHEET"
          onPress={() => {
            this.RBSheet.open();
          }}
        />

        <Button
          title="OPEN BOTTOM SHEET 2"
          onPress={() => {
            this.RBSheet2.open();
          }}
        />

        <RBSheet
          ref={ref => {
            this.RBSheet = ref;
          }}>
          <YourOwnComponent />
        </RBSheet>

        <RBSheet
          ref={ref => {
            this.RBSheet2 = ref;
          }}>
          <YourOwnComponent />
        </RBSheet>
  </View>

//main_render
<View>
    images.map(item => this._renderItem(item, index))
<View>

//render_item
_renderItem= (item, index)=> {
...,
<Button title=`OPEN BOTTOM SHEET-${index}`  //renaming the title 
          onPress={() => {   this.RBSheet.open()  }}  />   **//cant rename the func here**

        <RBSheet
          ref={ref => {
            this.RBSheet = ref;
          }}>
          <YourOwnComponent />
        </RBSheet>
}