Permission Denied

When you run Jan, you may encounter the following error:

Uncaught (in promise) Error: Error invoking layout-480796bff433a3a3.js:538 remote method 'installExtension':
Error Package /Applications/Jan.app/Contents/Resources/app.asar.unpacked/pre-install/janhq-assistant-extension-1.0.0.tgz does not contain a valid manifest:
Error EACCES: permission denied, mkdtemp '/Users/username/.npm/_cacache/tmp/ueCMn4'

This error indicates a permission issue during the installation process. To fix this issue, you can run the following command to change ownership of the ~/.npm directory to the current user:

sudo chown -R $(whoami) ~/.npm