Error 0x80510047

Value: -2142175161 | 0x80510047 | 2152792135

What does it mean ?

OPC_E_DS_DEFAULT_DIGEST_METHOD_NOT_SET  
The default digest method has not been set; to set it, call IOpcSigningOptions::SetDefaultDigestMethod.
Value: 71 | 0x0047 | 0b0000000001000111

Where does it come from ?

FACILITY_OPC  
Open Connectivity Service (Package Consumption)
Value: 81 | 0x051 | 0b01010001

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