Yahoo Temporary Error Codes Yahoo is the top-class webmail service providers however it likewise comes a great deal of temporary error codes. These error codes can be fixed instantly as it makes a great deal of issues to the email users. There are a few Yahoo mail temporary server error codes like 5, 8, 14, 19 and 999 that can undoubtedly be solved if you call at Yahoo Customer Care Number to take the assistance of the tech professionals. You can fix these errors individually by clearing the browser’s cookies, cache and deleting the unwanted ruined documents from the system.