Collects not all data

Hello, I have an issue that scraper start to collect data from page 10 and didn't collect all data, please help me, thank you

Url: https://www.cwjobs.co.uk/jobs/net?q=.NET

Sitemap:
{"_id":"cwjobs","startUrl":["https://www.cwjobs.co.uk/jobs/net?q=.NET"],"selectors":[{"id":"job link","type":"SelectorLink","parentSelectors":["_root","pagination"],"selector":".job-title a","multiple":true,"delay":"2000"},{"id":"position","type":"SelectorText","parentSelectors":["job link"],"selector":"h1","multiple":false,"regex":"","delay":0},{"id":"location","type":"SelectorText","parentSelectors":["job link"],"selector":"li.location","multiple":false,"regex":"","delay":0},{"id":"salary","type":"SelectorText","parentSelectors":["job link"],"selector":"li.salary","multiple":false,"regex":"","delay":0},{"id":"company name","type":"SelectorText","parentSelectors":["job link"],"selector":"li.company","multiple":false,"regex":"","delay":0},{"id":"contact","type":"SelectorText","parentSelectors":["job link"],"selector":".contact-reference li:nth-of-type(1)","multiple":false,"regex":"","delay":0},{"id":"reference","type":"SelectorText","parentSelectors":["job link"],"selector":".contact-reference li:nth-of-type(2)","multiple":false,"regex":"","delay":0},{"id":"pagination","type":"SelectorLink","parentSelectors":["_root","pagination"],"selector":"a.next","multiple":true,"delay":0}]}

This seems to be a site issue; I was getting some server error messages. Longer Page load delays may help. BTW, this site's url changes with each page, so you can also test out the Specify multiple urls with ranges method.