Yubico Forum

hello I have been about two weeks to buy a yubikey inadvertently delete the settings 1 yubikey and managed to reconfigure and test the demo 1 factor I work well the fact is that with 2 and 3 factors no longer works and uploaded the aes key and everything but theres no way and my whmcs that is what I use it validates otp yubikey gives me as I can re-let to function as the first day thank you very much in advance