You have received an invalid certificate. Please contact the server administrator or email correspondent and give them the following information:  Your certificate contains the same serial number as another certificate issued by the certificate authority. Please get a new certificate containing a unique serial number.
Fhuair thu teisteanas neo-dhligheach.  Leig fios gu rianaire an fhrithealaiche no seòladair a’ phuist-dhealain ’s thoir dhaibh am fiosrachadh a leanas:  Your certificate contains the same serial number as another certificate issued by the certificate authority.  Please get a new certificate containing a unique serial number.