Error 0x80041618

Value: -2147215848 | 0x80041618 | 2147751448

What does it mean ?

QUERY_E_UPGRADEINPROGRESS  
Queries are disabled because the index is being updated. Try your query again in a few minutes.
Value: 5656 | 0x1618 | 0b0001011000011000

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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