Just like with materials, it also combines UV maps between the cutter and the target. Add the same UV map to the cutter object.
It’s an user error until such time the user posts a test file, instead of expecting others to waste their time setting it up when you already have it. Bug reporting instructions tell to share a file and test on multiple systems. It also asks basic information such as Blender version, which you’ve hidden by cropping it out, and is relevant when others try on their systems.