Open your Oculus Home App and navigate to your Library where all your games are, be ready to click on Epic Roller Coasters but do not do it yet.
Locate this folder:
And launch the “OculusLogGatherer.exe“.
Gather All Logs
Button in the Oculus Log Gatherer program you just opened.
Now click on Epic Roller Coasters from your Oculus Library (that should closes instantly after opened because of some bug). Oculus log gatherer program will do a bunch of stuff in its little box and will close when the game has failed to launch.
Wait! When it finishes all the logs it will show a popup box telling you the directory location/where to find all the logs it just recorded.
Find the log folder, generally is placed on your desktop like this: