<dt>How to fix</dt>
<dd>
<p>
+ Make sure the file /etc/security/limits.d/audio.conf exists. If it is
+ named /etc/security/limits.d/audio.conf.disabled, rename it to the former.
Run the command <code>sudo usermod -a -G
audio <em>YOUR-LOGIN-NAME</em></code>. Then logout and login again.
</p>