An X.509 version 1 certificate that is not a trust anchor was used to issue the server’s certificate. X.509 version 1 certificates are deprecated and should not be used to sign other certificates.
Defnyddiwyd tystysgrif X.509 fersiwn 1 nad yw'n angor ymddiriedaeth i gyhoeddi tystysgrif y wefan. Mae tystysgrifau X.509 fersiwn 1 yn anghymeradwy ac ni ddylent gael eu defnyddio i lofnodi tystysgrifau eraill.