> ## Knowledge Base Index
> Fetch the complete knowledge base index at: https://help.mooz.pro/sitemap.xml
> Use this file to discover available pages before exploring further.
> Pure-Markdown content can be obtained by appending a '.md' suffix to the content URLs listed in the sitemap (without the trailing slash).

# I can't hear the player.

**If you are in a virtual classroom without a student and the "Student" mode is enabled, the audio file will not play.**

Please wait for the student to join for this feature to work correctly, or switch to **"Teacher" mode**.