@nitya kalola said: [attachment=0:2er6cnd0]<!-- ia0 -->WhatsApp Image 2023-08-25 at 1.04.49 AM.jpeg<!-- ia0 -->[/attachment:2er6cnd0] Remove Libfredo folder and Libfredo.rb from Plugins folder and do a fresh install of the latest release.

It seems that whatever is in your bzier spline... folder, should be copied one level higher (straight under the plugins folder). You unzipped the archive keeping its "wrapping folder" instead of moving the content of that folder straight into the plugins folder.