The certificate can not be verified as it is the only certificate in the trust chain and not self-signed. If you self-sign the certificate, make sure to import it into the list of trusted certificates.
El certificat no es pot verificar atès que és l' únic certificat de la cadena de confiança i no està autosignat. Si signeu el certificat amb ell mateix, assegureu- vos d' importar- lo a la llista de certificats fiables.