/Users/UserName/Library/Application Support/MeldaProduction/MTurboAmpDevices
The folder can be opened in this menu
Menu > Open device folder in Finder
The error message appears because the attachment does not contain any images.
However, I was able to use the device in Edit-mode. You can also use it in Easy-mode by turning off the custom GUI in the settings. I am using DeepL translation for this post
