Error 0x80510044

Value: -2142175164 | 0x80510044 | 2152792132

What does it mean ?

OPC_E_INVALID_CONTENT_TYPE  
A content type does not conform to the rules for a valid media type, specified in RFC 2616: HTTP/1.1(http://go.microsoft.com/fwlink/p/?linkid=143979) and the OPC.
Value: 68 | 0x0044 | 0b0000000001000100

Where does it come from ?

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

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