Whenever you are not able to access your Yahoo email account due to password issues. In case you are facing any other troubles with Yahoo, You can contact Yahoo help center is advisable. The technical executives will get in touch with you and you can avail instant help for several errors regarding Yahoo.
More help - https://sites.google.com/view/recoveryahoopasswoordnumber
Source - https://getassist.net/yahoo-account-recovery/