Error 0x80630012

Value: -2140995566 | 0x80630012 | 2153971730

What does it mean ?

PEER_E_DUPLICATE_GRAPH  
A graph with the same ID already exists.
Value: 18 | 0x0012 | 0b0000000000010010

Where does it come from ?

FACILITY_P2P  
Peer Graphing API
Value: 99 | 0x063 | 0b01100011

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