Error 0x8004160C

Value: -2147215860 | 0x8004160C | 2147751436

What does it mean ?

QUERY_S_NO_QUERY  
The catalog is in a state where indexing continues, but queries are not allowed.
Value: 5644 | 0x160C | 0b0001011000001100

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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