@cncandi
error message is:
TypeError: Cannot read properties of undefined (reading 'file')
TypeError: Cannot read properties of undefined (reading 'file')
at https://cnc-technik.de/cad3D/dist/jscad-web.min.js:3273:755
at https://cnc-technik.de/cad3D/dist/jscad-web.min.js:3273:1598