Error 0x80630204

Value: -2140995068 | 0x80630204 | 2153972228

What does it mean ?

PEER_E_GROUPS_EXIST  
The group already exists.
Value: 516 | 0x0204 | 0b0000001000000100

Where does it come from ?

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

Other Errors for FACILITY_P2P