Error 0x80071A41

Value: -2147018175 | 0x80071A41 | 2147949121

What does it mean ?

ERROR_TRANSACTION_NOT_ROOT  
The call to create a superior Enlistment on this Transaction object could not be completed, because the Transaction object specified for the enlistment is a subordinate branch of the Transaction. Only the root of the Transaction can be enlisted on as a superior.
Value: 6721 | 0x1A41 | 0b0001101001000001

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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