Error 0x802A00C8

Value: -2144730936 | 0x802A00C8 | 2150236360

What does it mean ?

E_WPD_SERVICE_ALREADY_OPENED  
The service connection has already been opened by a prior call to IPortableDevice::Open.
Value: 200 | 0x00C8 | 0b0000000011001000

Where does it come from ?

FACILITY_UI  
User Interface
Value: 42 | 0x02A | 0b00101010

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