App that runs on Pi 3B+ not working on Pi 4
We have an app that has been runiing on P3B+ for a while now but I am trying to transition to Pi 4. The app itself looks for an object file to run. When the app starts, it goes to /sdcard/MyAppFolder to find the object file it should load. Works fine on a 3 but on a 4 it comes up "Not found". I have tried chmodding it and my folder to no avail. Has anyone else had this type of issue?