Discord is usually installed in the user data directory and enabling this app using the usual method will not work. Apply this fix and you'll be on your way to using Discord within ggLeap.
1. In the web admin, go to Settings > Client configuration > Games/Apps.
2. Search for "Discord", click on the box art to edit configuration.
3. View the game details and change the following:
-Add the following to "Executable Path": %localappdata%\Discord\Update.exe
-Add the following to "Additional Launch Parameters": --processStart Discord.exe
6. Click "Save".
7. Be sure to enable the app by clicking the toggle in the upper left of the box art. Restart the client PCs in order for the changes to take effect.