Countdown funktioniert nicht

Use Apple Watch to track a specific diese App right from your watch face with the diese App Complication, or view more info about a diese App with the Watch app.  Add the diese App widget to your Today View to track your Favorite countdowns right from the lock screen.  Use Siri Shortcuts to find out when a specific diese App is over, or when all of the Countdowns in a category will end, or even use Up Next to find out how long until your closet diese App is done.  diese App makes counting down those important days easy.  Simply title your diese App, give it an emoji, and pick the date for your diese App.  Sync your Countdowns between your iPad, iPhone, and Mac using iCloud, free of charge.  Import Calendar Events to create Countdowns, or save your Countdowns to a Calendar of your choice.