App doesn't clean my cache anymore.. it crashes into the main menu of the App.

Hello! I have a problem with the cleaning of the cache, it doesn't work anymore. The scan for apps does work. But when I press the the clean bottom, then it goes back to the main menu. The problem occured after few runnings, where it managed to open the App Infos (but didn't managed to clean the cache, only sometimes for one app in total (whyever only one ..). So I didn't managed to get it work properly. In a previous version (where the clear data option didn't existed and the app where still in the google Playstore), it did worked for me for a while (untill they removed the app from Playstore). As it worked it was very nice and the only cache cleaner that did his job and not pseudo cleaning. I do have a Xaomi handy and did set the settings to it. Also I costumized the clean bottoms to those that worked previously. All settings are the same as those where it worked. I hope someone know where the problem could come from and help to fix it 🤞🏻 Thank you for the engagement of you! Best greetings, Lorenz