The PHP Settings tab is missing in Plesk > Domains > example.com.
There was an attempt to remove the PHP handler that currently is marked as corrupted.
This is a Plesk bug with the ID #PPPM-8601, which will be fixed in future Plesk updates.
For already affected domains:
- Log into Plesk.
- Go to Domains > example.com > Hosting Settings.
- Select the required PHP handler from the drop-down menu PHP version:
- Verify that no domains are using the PHP version that is going to be deleted in Tools & Settings > PHP Settings > Domains column:
- Remove the outdated PHP handler in Tools & Settings > Updates and Upgrades > Add/Remove Components > Plesk hosting features.