제품을 구매하거나 렌트한 사용자만 코멘트를 남길 수 있습니다
Yu Zhang  
If your system has no data, sometimes loading some programs will not display, especially if the indicator is multi-contract.

So I recommend that you download another program from mine that is dedicated to downloading data:

https://www.mql5.com/en/market/product/36152