Hey there,
Tilemancer is failing to load the .lua files in the "Nodes" and "Presets" folders. That may be due to a programming error on my part, which will be fixed if that's the case, or may be due to the folders not being present in the same directory as the application.
Please check if there are "Nodes" and "Presets" folders in the same directory as the application, and if they aren't empty. They should look like this:
