I already posted for this problem month ago , but you did not answer . Meanwhile , other users have encountered the same problem.
The problem :
When users have forgotten their password, they click on “Lost your password? ” , they enter their user name or their address and click the Reset button . They receive the email , they click the link to reset their password.
The problem is this : instead of having the form provided for entering a new password , they are on the page of the login form with a message that says : Error: You has-been key expired , please reset password again.
But there is no option to update Pie Register on WordPress . So, if I delete the 2.0.17 version, and I replaced it with the new version, I will lose everything I have personalized (form , Users notifications , css … ) , right?
Well, If you delete the old plugin from WP backend, it will defnitely wipe out all the configuration and data. I thought you deleted using FTP. Still I dont understand why would you delete the older version for upgrade? anyways, please feel free to let us know if you have any other questions.
This problem was already fixed in 2.0.19. However, if you still encountering the issue, please make sure you copy/paste the link correctly. If you sure you doing it right, then you may want to switch to a different browser, sometime browser caches the page.