[2024] Schade geht immer noch nicht, obwohl in den Patch Notes was anderes steht :(

This is fixed in the next hotfix. If you would like to play the quest tonight, you can use the following workaround to play the quest.

Switch your language to English, start the quest, quit Warframe (Alt+F4) after the loading screen when the movie starts. Swap your language back to German.