Error 0x80040034

Value: -2147221452 | 0x80040034 | 2147745844

What does it mean ?

TAPI_E_DESTBUSY  
The called number is busy.
Value: 52 | 0x0034 | 0b0000000000110100
IO_WRN_FAILURE_PREDICTED  
The driver has detected that device %1 has predicted that it will fail. Immediately back up your data and replace your hard disk drive. A failure may be imminent.
Value: 52 | 0x0034 | 0b0000000000110100

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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