Reinstalling Cloudasta is simple.
1. Login to admin.google.com (you must be a G Suite administrator).
2. Click Marketplace Apps (or More Controls > Marketplace Apps, at the bottom of the page, if Marketplace Apps isn't already on your main console).
3. Click on Cloudasta.
4. Click the trash icon in the top right of the page, and remove the App.
5. Install Cloudasta here.
This process will reinstall the App for all users on the G Suite account.