Hi @Kristoffer_Brun
Let’s see…
Reinstall the plugin to see if it’s corrupted.
Check folder permissions to ensure you have “Read & Write” permissions
Install the plugin using another user account to rule out user-related issues.
Check plugin compatibility with your Rhino version (8.0)
Utilize the Rhino Package Manager for a better installation experience.
Check the Console app for any error messages regarding the plugin installation.
Clear cache by deleting files from the ~/Library/Application Support/McNeel/Rhinoceros/8.0/Plug-ins directory (after copying valuable files).
If none of these work, ask the plugin author for help