Error 0x80510041

Value: -2142175167 | 0x80510041 | 2152792129

What does it mean ?

OPC_E_MC_INVALID_XMLNS_ATTRIBUTE  
The declaration of an xmlns attribute is malformed.
Value: 65 | 0x0041 | 0b0000000001000001

Where does it come from ?

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

Other Errors for FACILITY_OPC