15 shapes skipped

what dose open shapes skipped mean and where and how do i use the Node tool? and how do I fix this PS could i get the dumb down version please I’m new at all this I’m usually on the tools not on any kind of computer program Thanks

Here is a short video somewhat explaining the situation and solution. If after watching this you still don’t understand, search YouTube for lightburn node edit shapes and you will find a lot of videos showing how.

Fill requires the shapes to be bounded on all sides.

A simple open U shape cannot be "fill"ed in. It does not have inside and outside edges.

A circle can be filled because it has discreet inside edge and outside edge.

To achieve fill on your diagram, press Ctrl+A to select all.

Use the WELD tool to force all the pieces together.