Error 0x88880011

Value: -2004353007 | 0x88880011 | 2290614289

What does it mean ?

LEAP_E_NEED_OUTPUT_FILTER  
ILeap::StartGraph cannot be called with no output filter in the graph.
Value: 17 | 0x0011 | 0b0000000000010001

Where does it come from ?

FACILITY_LEAP  
XAudio2 Internal Errors
Value: 2184 | 0x888 | 0b100010001000

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