Page fetch N/A, sitemap not fetched, Indexing allowed? N/A, During live testing, indexing issues, robot.txt file blocked without any problem from site

Not checked in live tests, Page fetch N/A, sitemap couldn't fetched, Indexing allowed? N/A, URL is unknown to Google, During live testing, indexing issues were detected with the URL, robot.txt file blocked without any problem from site.

SEO is good and didn't have any problem from my side and google side. I don't know but googlebots and robots are not able to fetch my URL. Can anybody tell me what happened Here.