Yahoo mail error code 2 is one of the most common errors in Yahoo mail services which shows in most cases when a user is trying to sign into their email account. This is a temporary error that can be solved in just a few simple steps. Just follow all the given steps and then you can troubleshoot temporary error 2 in Yahoo mail.
1. Clear all cache, temp files, and data from your web browser.
2. check your browser compatibility with Yahoo account.
3. Sign out your Yahoo account from all devices where it logs in.
4. Check if your internet is stable.
5. At last exit your browser and then restart again.