There have been more than 5 failed login attempts for this account.
ISSUE : Sorry, there have been more than 5 failed login attempts for this account. It is temporarily blocked. Try again later or request a new password.
SOLUTION : This means that your IP address is in the block list of DRUPAL. Now to release your ip address .
You have to to go to database, find the table "flood" and remove all entries from that table.
Or run command "DELETE FROM flood" . After this your IP has been released and you can again login to your system.