-Description of every single step you made until you encountered this error-what did you do, what happened?
Start a normal workout in the app and open the Apple Watch version. When you finish the workout, the app gets stuck in the last phase as if the workout never ended. The heart rate sensor keeps working indefinitely and you accumulate minutes and thousands of calories until the watch finally dies.
-What is the brand and model of your mobile device? (for example iPhone 13 / Galaxy S21)
iPhone 13 and Apple Watch 3
-Which operation system is your device using? (for example iOS 13 / Android 11)
iOS 18.1 and WatchOS 8.8.1
-Which version of the Freeletics app are you using? (for example 6.37)
24.43.0
-Which language is your app set to?
Spanish
-Which timezone/state/country are you in?
Spain
-What date and time did this problem occur?
From 20:00 until 4:00 when the Watch dies
Please also attach screenshots or a screen recording showing step by step how you encounter this problem 
