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Article ID: 117913, created on Oct 12, 2013, last review on Nov 17, 2014

  • Applies to:
  • Plesk Automation 11.1
  • Plesk Automation 11.5


  1. While creating a mailbox or changing mailbox settings, the following error is displayed:

    ERROR: Internal error
  2. In the /var/log/sw-cp-server/error_log log on the Management Node, you can find the following error:

    mod_fastcgi.c.2746) FastCGI-stderr: PHP Fatal error:  Call to a member function getUserController() on a non-object in /usr/local/psa/admin/plib/Smb/Form/Final/EmailAddress/AntivirusTab.php on line 210


Parallels Premium Antivirus was enabled on the main service node, but an additional license was not installed.


  1. Disable Parallels Premium Antivirus: Set Used antivirus to None on the following page:

    Infrastructure > Service Nodes > Postfix node > Mail Server Settings

  2. Or purchase the Parallels Premium Antivirus license that is available in our store, install it, and assign the license to the Postfix service node:

    Administration Panel > License & Security > License Manager > Additional Licenses tab > Install / Update

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