Did you reset your password but still get an error message when trying to login? Most likely this is because your web browser is automatically adding your old password.

After you have reset your password you are redirected to the Sign in page. We do not automatically add your newly created password. If a password is already added to the password field, this is probably your previous password. 

Remove the password and write or copy your new password into the field. If you are copying it, make sure you are not adding space.