PHP Settings tab is missing for the domain in Plesk

Symptoms

• The PHP Settings tab is missing in Plesk > Domains > example.com.

• PHP handler is marked as corrupted in Tools & Settings > PHP Settings:
  

• There was an attempt to remove the PHP handler that currently is marked as corrupted.

Cause

This is a Plesk bug with the ID #PPPM-8601, which will be fixed in future Plesk updates.

Resolution

For already affected domains:

1. Log into Plesk.
2. Go to Domains > example.com > Hosting Settings.
3. Select the required PHP handler from the drop-down menu PHP version:
   
4. Press the OK button to apply the changes.

To avoid bug triggering:

1. Log into Plesk.
2. Change the outdated PHP version to the required one in Domains > example.com > PHP Settings:
   
3. Verify that no domains are using the PHP version that is going to be deleted in Tools & Settings > PHP Settings > Domains column:
4. Remove the outdated PHP handler in Tools & Settings > Updates and Upgrades > Add/Remove Components > Plesk hosting features.