- Plesk Onyx for Linux
The following error occurs when trying to change PHP version at Domains > example.com > PHP Settings > PHP version :
PLESK_ERROR: This feature is not available because either your license key does not support it or the service is not installed or properly configured.
Unknown. Possible reason is that PHP package corrupted.
Re-install affected PHP version through Tools & Settings > Updates and Upgrades or via CLI command:
# plesk installer