In most cases, the temporary error 2 of Yahoo Mail resolves on its own. However, if it doesn’t, you can follow the below-mentioned steps to resolve the problem:

1. Log out of your Yahoo account from all the devices you are using.
2. Ensure that the internet browser you are using is supported by Yahoo.
3. Ensure that the Yahoo Mail app you are using is up-to-date.
4. Remove the cache files and cookies from your computer, and check if the error is resolved.
5. Re-launch your web browser and log into the Yahoo Mail account to check if the issue persists.