Fwd: Error about save extracted data

My operating system is Windows 10 and other information showed below: [image: 内嵌图片 1] I use Query Tool to extract data from my database. However, after I extracted data I want and clicked on 'Download' button, the pgAdmin built a .csv file. But when you open the file, there are not data and just error information instead. (it showed like below) [image: 内嵌图片 2] I'm sure I had get data in pgAdmin, it showed in picture below: [image: 内嵌图片 3] So, I want to know how to solve my problem! Thanks very much!