Error 0x80070246

Value: -2147024314 | 0x80070246 | 2147942982

What does it mean ?

ERROR_ILLEGAL_CHARACTER  
An illegal character was encountered. For a multi-byte character set this includes a lead byte without a succeeding trail byte. For the Unicode character set this includes the characters 0xFFFF and 0xFFFE.
Value: 582 | 0x0246 | 0b0000001001000110

Where does it come from ?

FACILITY_WIN32  
Provides a way to handle error codes from functions in the Win32 API as an HRESULT. (Error codes in 16 - bit OLE that duplicated Win32 error codes have also been changed to FACILITY_WIN32)
Value: 7 | 0x007 | 0b00000111

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