Error 0x80510029

Value: -2142175191 | 0x80510029 | 2152792105

What does it mean ?

OPC_E_DS_MISSING_SIGNATURE_TIME_PROPERTY  
The SignatureProperty element with the Id attribute value of "idSignatureTime" does not exist or is not correctly constructed.
Value: 41 | 0x0029 | 0b0000000000101001

Where does it come from ?

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

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