Error 0x88890014

Value: -2004287468 | 0x88890014 | 2290679828

What does it mean ?

AUDCLNT_E_EVENTHANDLE_NOT_SET  
The audio stream is configured to use event-driven buffering, but the caller has not called IAudioClient::SetEventHandle to set the event handle on the stream.
Value: 20 | 0x0014 | 0b0000000000010100

Where does it come from ?

FACILITY_AUDCLNT  
Audio Client (Audio stream between an audio application and the audio engine (for a shared-mode stream) or the hardware buffer of an audio endpoint device (for an exclusive-mode stream))
Value: 2185 | 0x889 | 0b100010001001

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