Error 0xC00CEF02

Value: -1072894206 | 0xC00CEF02 | 3222073090

What does it mean ?

WR_E_NSPREFIXDECLARED  
XmlLite: writer: namespace prefix is already declared with a different namespace
Value: 61186 | 0xEF02 | 0b1110111100000010

Where does it come from ?

FACILITY_INTERNET  
Wininet related (Internet APIs)
Value: 12 | 0x00C | 0b00001100

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