Error 0x80041117

Value: -2147217129 | 0x80041117 | 2147750167

What does it mean ?

IDX_E_NOT_LOADED  
The content index is not loaded. Stop and restart the search service. If the problem persists, review other errors in the event log. If necessary, delete and recreate the content index.
Value: 4375 | 0x1117 | 0b0001000100010111

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