PHP Settings tab is missing for the domain in Plesk

Symptoms

• PHP Settings tab is missing for the domain in Plesk.

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

• There was an attempt to remove PHP handler using Plesk installer.

Cause

This is bug with ID PPPM-8601 which is planned to be fixed in future Plesk updates. PHP handler is displayed as corrupted after it's removal.

Resolution

for already affected domains:

1. Log into Plesk.
2. Go to Domains > example.com > Hosting Settings > choose necessary PHP version and confirm changes:
   

to avoid bug triggering:

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 Change the outdated version on the domain to the required one at Domains 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