- Plesk Onyx 17.8 for Linux
Note: This article has the reference to the issue with the fix available:
PHP handler cannot be changed when NGINX service is stopped or not installed.
In Plesk in Domains > example.com > PHP Settings the checkbox PHP support is disabled and grayed-out with the following message:
CONFIG_TEXT: PHP support cannot be enabled because current hosting configuration does not include any PHP versions available for this domain.
Unable to retrieve PHP settings because this handler is corrupted.
Even though PHP version cannot be changed in the Plesk interface, the current PHP version selected in the domain is shown in Domains > example.com under PHP Settings:
This is Plesk bug PPPM-9016 which is fixed Plesk Onyx 17.8 Update #44 which was released on March 6, 2019.