How to Fix Index coverage issues using Search Console

Search Console Messages

Search Console has identified that your site is affected by 1 new Index coverage related issue. This means that Index coverage may be negatively affected in Google Search results. We encourage you to review and consider fixing this issue.

1 . Go to webmaster then look for a message stating index coverage issues

2.  Look for suggestions from Google to fix it

Your issue is either by following:- 

1. Robots.txt file which is not allowing Google to index particular pages.
2. Pages are not getting fetch using Google Bots. 
3. It’s not getting indexed in the search engine 
4. Your sitemap is incorrect.

If you face some other issue  please feel free to ask in comment section.