Error 0x80040056

Value: -2147221418 | 0x80040056 | 2147745878

What does it mean ?

TAPI_E_NOFORMAT  
The format is unknown
Value: 86 | 0x0056 | 0b0000000001010110

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