Ionic File Opener wont work on Android 12

I’m currently developing an app where the user is able to download an PDF in the File System and view the PDF with the File Opener Plugin. In the browser and emulator it works fine on both IOS and Android (I always building for Production). When i try to run the app on a real device i can download the file but at the moment i try to open the PDF my phone tells me that the file cant be open because the file type is not supported.

Any help is appreciated!