• Cloudlinux is running on the server.

  • Alt-PHP and CageFS are installed and are in use.

  • Installation or update of any APS application hangs or fails.


This is a Plesk bug with ID PPPM-5343 which is planned to be fixed in future Plesk updates.


Until the issue is fixed, use the following workaround:

1) Log into Plesk.

2)Define absent PHP modules in Tools & Settings > PHP Settings > alt-php version > php.ini by adding following lines at the end of the file:

3) Connect to the server via SSH.

4) Update PHP settings for all domains:

# plesk bin php_settings -u


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