Running this frame might exceed the bounds of your machine - are you sure?

Hi Lightburn, (the best laser software in the world)
I use this stunning software every day, and have been for the last four years.
Just uploaded version 1.5 then 1.5.01
Pressing either frame buttons results in message…
Running this frame might exceed the bounds of your machine - are you sure?
This happens on any shape, any size, anywhere, (Clicking on YES runs the frame ok) thanks! Rich.

Is there anything outside your work area? I find Cut Selected Graphics (Laser window) to be very useful in ignoring those parts outside my work area, like notes and multiple versions of the project.