Error 0x00040D9A

Value: 265626 | 0x00040D9A | 265626

What does it mean ?

GTHR_S_OFFICE_CHILD  
This document is a child of another document. It will not be cataloged separately.
Value: 3482 | 0x0D9A | 0b0000110110011010

Where does it come from ?

FACILITY_ITF  
COM/OLE Interface management. FACILITY_ITF is designated for user-defined error codes returned from interface methods
Value: 4 | 0x004 | 0b00000100

Other Errors for FACILITY_ITF