This means your LibFredo6 old version upd is actually too new for your Ruby interpreter. You need to go back one or two major versions. For SketchUp 2017, target LibFredo6 v6.0a, not v7.0.
You installed an old LibFredo6, but a newer Fredo6 plugin (e.g., RoundCorner v3.4) is asking for a newer library. You must downgrade the Fredo6 plugin itself to a version that matched your LibFredo6 era. Find the companion old plugin versions. libfredo6 old version upd
If you are a SketchUp veteran, you know that is the backbone of the most powerful extensions like RoundCorner , JointPushPull , and Curviloft . However, a major shift in the Trimble framework changed how these plugins work for older versions of SketchUp. This means your LibFredo6 old version upd is
libfredo6 is a dependency library used by some applications, including SketchUp. It's essential to keep it up-to-date to ensure compatibility and stability. You installed an old LibFredo6, but a newer Fredo6 plugin (e
folder before installing the new legacy version to avoid "outdated signature" errors or conflicts. Install via SketchUp Window > Extension Manager Preferences > Extensions in very old versions) and click Install Extension to select your downloaded SketchUp Community 4. Updating Dependent Plugins