Error 0x80043406

Value: -2147208186 | 0x80043406 | 2147759110

What does it mean ?

CONTENT_SOURCE_E_NULL_CONTENT_CLASS_BSTR  
The content class of the content source is empty.
Value: 13318 | 0x3406 | 0b0011010000000110

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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