Error 0x80040706

Value: -2147219706 | 0x80040706 | 2147747590

What does it mean ?

QRY_E_TOOMANYDATABASES  
The query contained too many content index IDs.
Value: 1798 | 0x0706 | 0b0000011100000110

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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