If you're encountering an error regarding the country code in the capital gains section of ITR 2, even after verifying your personal information, try this workaround. Some users have found success by deleting and re-entering the house property details in Schedule HP or Schedule CG within the utility. This often resolves the country code error.
12 November 2021
While filing itr 2 I'm getting errors select country code in capital gains on house property but I don't find any country code on this page
13 November 2021
In one of such case, we deleted the house property details (in Schedule HP) and closed the utility. Reopened it, & refilled the property details again. It worked. You may try it in Schedule CG.