Error 0x80094812

Value: -2146875374 | 0x80094812 | 2148091922

What does it mean ?

CERTSRV_E_SUBJECT_EMAIL_REQUIRED  
The EMail name is unavailable and cannot be added to the Subject or Subject Alternate name.
Value: 18450 | 0x4812 | 0b0100100000010010

Where does it come from ?

FACILITY_SSPI  
Used for status code returned by Security Support Provider Interface (SSPI)
Value: 9 | 0x009 | 0b00001001

Other Errors for FACILITY_SSPI