No data when scrape even if preview show data

Im trying to scrape bangood site according to the tutoral they give regarding e-commerce
the preview show data but when scrape it does not display any data.
the immage show the issue that come up when activate the scrape. pls help

the test json:
{"_id":"bangoof","startUrl":[""],"selectors":[{"id":"primary category","type":"SelectorLink","parentSelectors":["_root"],"selector":"a.left_nextCategories_button_170529","multiple":true,"delay":0}]}

Chrome version Version 76.0.3809.87 (Official Build) (64-bit)
OS win 10 enterpise build 1809