reasons why you might get this error message is because. The app is incompatible with your device or Android version. Or the app is corrupted or modified. The app is not signed properly or has a different certificate than the existing version on your device. The app is split into app bundles and does not support simple APK installation. To fix this issue, you can try some of the following solutions Delete the existing version of the app from your device and clear the cache and data of the Google Play Store, Google Play services, and Package installer! Change the app codes using an APK editor app.
If the app is split into app bundles, you need to use a tool like Split APKs Installer (SAI) or APKM Installer to install it. These tools will combine the app bundles into a single APK file and install it on your device I hope this helps! sorry if doesn't work.