infinite SEO seems like not generating my Meta Title

Hi Guys, infinite SEO seems like not generating my Meta Title and Meta Description properly. Even after weeks. The below is what appear on Google Search. Please advice. Thanks!

Comments for domain.com
domain.com/?
A description for this result is not available because of this site's robots.txt – learn more.

P.S. I have been using Yoast SEO on the same website without any issue but decided to give InfiniteSEO a try.