Greenluma Tutorial Here
Greenluma needs to know which Steam AppID corresponds to the game you are trying to run.
For DLCs:
If you are unlocking DLCs, there may be a DLC.txt file in the AppList folder. You will need to input the specific DLC AppIDs here (one per line). greenluma tutorial
If you get this error, Greenluma failed to intercept the Steam check. Greenluma needs to know which Steam AppID corresponds
Navigate to a reliable source (usually GitHub repositories or archive teams). Look for a package containing: Write the number in the text file and save it