Error 0xC00CEF06

Value: -1072894202 | 0xC00CEF06 | 3222073094

What does it mean ?

WR_E_XMLPREFIXDECLARATION  
XmlLite: writer: xml prefix must have the http://www.w3.org/XML/1998/namespace URI
Value: 61190 | 0xEF06 | 0b1110111100000110

Where does it come from ?

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

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