Error 0x80040106

Value: -2147221242 | 0x80040106 | 2147746054

What does it mean ?

_MAPI_E_UNKNOWN_FLAGS  
MAPI: The caller passed an invalid parameter or flag.
Value: 262 | 0x0106 | 0b0000000100000110

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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