Article ID: 6419, created on Jun 11, 2009, last review on May 11, 2014

  • Applies to:
  • Plesk for Windows


Parallels Plesk Panel is not accessible and shows this error message:

    Fatal error: Call to undefined function of_get_key_by_product() in C:\Program Files\SWsoft\Plesk\admin\plib\common_func.php3 on line 4506

The following error appears in the event log of the server:

    Event Type:     Information
    Event Source:   PHP-5.2.6
    Event Category: (6)
    Event ID:       2
    Date:           12/23/2008
    Time:           8:02:36 AM
    User:           N/A
    Computer:       PLESK
    The description for Event ID ( 2 ) in Source ( PHP-5.2.6 ) cannot be found. The local computer may not have the necessary registry information or message DLL files to display messages from a remote computer.
    You may be able to use the /AUXSOURCE= flag to retrieve this description; see Help and Support for details. The following information is part of the event: php[5004], PHP Warning:  PHP Startup: Unable to load dynamic library 'C:\Program Files\SWsoft\Plesk\admin\modules\php_psakey.dll' -  in Unknown on line 0.


To fix the issue, it is necessary to set Full Control permissions for the psaadm user on the "C:\Program Files\SWsoft\Plesk\admin\repository" folder on the server.

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