69769: Acronis Backup plugin for WHM & cPanel: Enabling backup fails with "An error has occurred. Please try again later or contact your administrator."

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Applies to: 

Last update: 16-11-2021

Symptoms

cPanel plugin is installed inside Virtuozzo container with AlmaLinux OS, backup agent is installed on the host. When trying to enable backup on the plugin dashboard, the following error is returned:

An error has occurred. Please try again later or contact your administrator.

Cause

AlmaLinux doesn’t have python packages installed by default. 

Solution

  1. Log in to the container as root and run:
    yum install python38
    ln -s /usr/bin/python3 /usr/bin/python
  2. On Virtuozzo host restart Acronis services:
    service acronis_mms restart