Error 0x80094815

Value: -2146875371 | 0x80094815 | 2148091925

What does it mean ?

CERTSRV_E_TOO_MANY_SIGNATURES  
The certificate template requires too many RA signatures. Only one RA signature is allowed.
Value: 18453 | 0x4815 | 0b0100100000010101

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