Error 0x80040DA1

Value: -2147218015 | 0x80040DA1 | 2147749281

What does it mean ?

GTHR_E_INSUFFICIENT_FEATURE_TERMS  
There were not enough keywords in the sample documents to train the Topic Assistant. Try again when more sample documents are available.
Value: 3489 | 0x0DA1 | 0b0000110110100001

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