You have received an invalid certificate.  Please contact the server administrator or email correspondent and give them the following information:\n\nYour certificate contains the same serial number as another certificate issued by the certificate authority.  Please get a new certificate containing a unique serial number.
Tu ha recipite un certificato invalide. Contacta le administrator del servitor o le correspondente de e-mail forniente le sequente information:\n\nTu certificato contine le mesme numero serial que un altere certificato emittite per le autoritate de certification. Per favor obtene un nove certificato continente un numero serial unic.