Error 0x80070562

Value: -2147023518 | 0x80070562 | 2147943778

What does it mean ?

ERROR_MEMBER_IN_ALIAS  
The specified account name is already a member of the group.
Value: 1378 | 0x0562 | 0b0000010101100010

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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