: The offset distance exceeds the curvature radius. For example, trying to thicken a sharp concertina fold. Fix : Reduce the distance. Or use Vector Push/Pull instead of Normal.
To make feel like a native tool, adopt these habits. Joint Push Pull Sketchup 2021
To run Joint Push Pull on SketchUp 2021, you must install two components from : : The offset distance exceeds the curvature radius