If you are using a very modern version of SketchUp (2021+), version 6.3 may be too old. In this case, you should upgrade to the latest version of the library available on SketchUcation. Final Thoughts
If SketchUp is in English but you prefer French, German, or Spanish tooltips, go to the "Language" tab and manually select your dialect. Version 6.3 includes a new "Auto-detect system language" toggle. libfredo6 version 6.3
Most notably, was a driving force behind v6.3, as changes to SketchUp’s C++ API required updates to LibFredo6’s low-level geometry handlers. If you are using a very modern version
Without LibFredo6, launching RoundCorner or FredoScale would result in script errors or a non-responsive toolbar. or Spanish tooltips