Error 0x80510040

Value: -2142175168 | 0x80510040 | 2152792128

What does it mean ?

OPC_E_MC_INVALID_ATTRIBUTES_ON_IGNORABLE_ELEMENT  
An element (or its parent) that is ignorable by markup compatibility has an attribute that is prohibited in Part 5: Markup Compatibility and Extensibility of ECMA-376 OpenXML (http://go.microsoft.com/fwlink/p/?linkid=123375).
Value: 64 | 0x0040 | 0b0000000001000000

Where does it come from ?

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

StackOverflow

Other Errors for FACILITY_OPC