I've edited a lesson and its audio has disappeared

I tried to edit the text of a lesson and then the audio has disappeared from it. Could you please correct it?
https://www.lingq.com/de/learn/de/web/lesson/36945

The link to the audio file: http://www.hoerbuchpromotion.de/wp-content/IPC/Infotainment-Podcast-001.mp3

Thanks, it’s fixed now.