Search Engine: Elastic

Article ID: 125126, created on Apr 5, 2015, last review on Apr 5, 2015

  • Applies to:
  • Plesk Automation 11.5


WP admin CP does not work properly after the website was migrated.

The domains error log throws the following error:

[Sat Mar 14 16:54:47 2015] [error] [client] PHP Fatal error:  Access to undeclared static property: WP_Screen::$this in /var/www/vhosts/ on line 706


Unhandled parameter defined in the source code.


  1. Backup the original file:

    cp /var/www/vhosts/{,.back}
  2. Open it on line 706 and replace:

    <?php echo self::$this->_help_sidebar; ?>

    with the

    <?php echo $this->_help_sidebar; ?>

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