Error 0x80510039

Value: -2142175175 | 0x80510039 | 2152792121

What does it mean ?

OPC_E_MC_NESTED_ALTERNATE_CONTENT  
An AlternateContent element cannot have another AlternateContent element as a child.
Value: 57 | 0x0039 | 0b0000000000111001

Where does it come from ?

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

Other Errors for FACILITY_OPC