After trying to upgrade Plesk Small Business Panel 10.2.0, I got some errors and was unable to load my plesk admin control panel on port 8443. Just a White Screen… I found this on parallels forum: location: /opt/psa/admin/bin autoinstaller –select-release-latest –upgrade-installed-components –ignore-key-errors when running, looked very similar to the bootstrapper.sh fix… and guess what? running…