> ## Knowledge Base Index
> Fetch the complete knowledge base index at: https://renderpool.crisp.help/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).

# When MPEG-4 files cannot be played

If you are unable to play the downloaded MPEG-4 file, please contact us from the Contact Us page so that we can check the data. Please inform us of your rendering ID when you contact us.