Plesk update log presents warning messages: Warning: ez_template_suffix is NOT defined in <package_name>

Symptoms

• The following warnings are found in the Plesk Installer log at /var/log/plesk/install/autoinstaller3.log

  Warning : ez_template_suffix is NOT defined in PHP81_17/php81-ubt18.04-x86_64.inf3
  ...
  Warning : ez_template_suffix is NOT defined in pool/PSA_18.0.50_11079/plesk-18.0.50-ubt18.04-x86_64.inf3

Cause

Unclear

Resolution

1. Connect to the server via SSH

2. Clean the server package manager cache:

   • Debian/Ubuntu:

     # apt clean

   • CentOS/RHEL

     # yum clean all