Article ID: 933, created on Oct 6, 2008, last review on May 11, 2014

  • Applies to:
  • Plesk 8.x for Linux/Unix
  • Plesk 7.5.x Reloaded


You may receive the following error messages:

Fatal error: Undefined class name 'util' in /usr/share/psa-horde/lib/base.php on line 31
Fatal error: Call to a member function on a non-object in /usr/share/psa-horde/index.php

This is a well known issue that php (version >= 4.3.8) does not work properly with the old Zend Optimizer and the Ioncube loader together.

You have to update Zend if you would like to continue using Zend with Ioncube.
The newest software is available here:

097728dc0a325f6309aa7a3997d4cacc a914db3fdc7a53ddcfd1b2db8f5a1b9c 29d1e90fd304f01e6420fbe60f66f838 b8ef5052d936e902043e41759118114e 56797cefb1efc9130f7c48a7d1db0f0c

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