Error 0x80040D6B

Value: -2147218069 | 0x80040D6B | 2147749227

What does it mean ?

GTHR_E_FILTER_SINGLE_THREADED  
The system attempted to load a filter marked as apartment in a multi-threaded filter daemon. The document will be retried in a single-threaded filter. Since multithreaded filtering is more efficient, try to obtain the version of the filter that is multi-threaded.
Value: 3435 | 0x0D6B | 0b0000110101101011

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

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