Conflicts with other extensions, insufficient system resources, or a corrupted installation.
Residual files from corrupted installations often conflict with new attempts. toh rebars v120 extension for sketchup download fix
To help narrow down the exact issue you are facing, please let me know: Conflicts with other extensions
Ensure you are downloading the extension file from a trusted structural engineering forum, the SketchUp Extension Warehouse (if available), or authorized developer mirrors. Ensure the file extension is strictly .rbz . insufficient system resources
Always attempt to download the extension through official plugins repositories:
The original TOH Rebars V120 was built for SketchUp 8 and 2013. Modern SketchUp versions (especially 2021+) have changed three critical things: