Follow the document to draw the blueprint, but it does not work, no sound appears, the following is a part of error message :
LogTextToSpeech: Warning: The requested channel Id: None already exists.
LogWorld: BeginTearingDown for /Game/Interactive/UEDPIE_0_test
...... ...... ......
LogAudio: Display: Audio Device unregistered from world 'None'.
LogAudioMixer: FMixerPlatformXAudio2::StopAudioStream() called. InstanceID=20
LogAudioMixer: FMixerPlatformXAudio2::StopAudioStream() called. InstanceID=20
Does anyone know what’s going on?