Edited Issue: WaveStillPlaying calling waveUnprepareHeader [16385]

I have written an application that uses nAudio to play wav files when 'events' happen, and records audio from the microphone.

I am occasionally getting a NAudio.MmException "WaveStillPlaying calling waveUnprepareHeader" from NAudio.Wave.WaveInBuffer.Reuse().

I am using nAudio 1.5.4.

Any thoughts on what causes it, and how I can resolve it?