What does your canvas look like when you press the Frame button? You’ll need to have a shape—like a square or template—selected for the Frame feature to work properly. Once it’s highlighted, the machine should trace the outline.
Here’s a reference link that might help: How to Use LOKLiK IdeaStudio app (Desktop Version) & Lightburn Software for iEngrave?
Hope that gives some clarity! Let us know what you see on your screen.