Scrape data missing data from Data Preview

Hi,
When I use the beer_name ID on http://marynka.ontap.pl/ (for example), I use the Text Selector: h4.cml_shadow span

If I click Data Preview button, the data is returned correctly. But when I scrape the entire site - RootURL http://ontap.pl/wroclaw/multitapy - it doesn't return data for about 50% of the column. This also breaks the brewery text ID in the same way (this ID works fine if I delete beer_name ID).

I've spent the weekend trying diff things so it would be great if someone could help me out.

Thanks!

Sitemap:
{"_id":"wroclaw_multitap","startUrl":["http://ontap.pl/wroclaw/multitapy"],"selectors":[{"id":"multi","type":"SelectorLink","parentSelectors":["_root"],"selector":"div.col-xs-7 a","multiple":true,"delay":0},{"id":"guests","type":"SelectorText","parentSelectors":["multi"],"selector":"address","multiple":false,"regex":".*\sgości\s","delay":0},{"id":"brewery","type":"SelectorText","parentSelectors":["multi"],"selector":"b.brewery","multiple":true,"regex":"","delay":0},{"id":"beer_name","type":"SelectorText","parentSelectors":["multi"],"selector":"h4.cml_shadow span","multiple":true,"regex":"","delay":0}]}

I'm really stuck with this. I've tried all sorts of variations. Anyone have a tip that might point me in the right direction?

i also have same issue regarding scraping of banggood webiste