Loupedeck app closes immediately when launched from the Dock (macOS only)

Problem:

Loupedeck app briefly flashes on your screen and then closes when you launch the app from the Dock. 

Solution:

• Find Loupedeck in the Applications folder and click on it – Loupedeck software is now running.
• A small Loupedeck icon appears on the top menu bar.
• Click on the small icon and select Open Loupedeck... – this opens the app and you can start with customising your Loupedeck.