unable to play audio in a application running as root.

[GitHub issues - opened]

alsa-project/alsa-lib issue #170 was opened from PeaceNIRA:

ALSA lib pcm_dmix.c:1075:(snd_pcm_dmix_open) unable to open slave

what ive tried: 
unistall and reinstalling the app
adding root to the audio group

application:
war thunder

Issue URL     : https://github.com/alsa-project/alsa-lib/issues/170
Repository URL: https://github.com/alsa-project/alsa-lib