Fehlermeldung in Wordpress nach Serverumzug

class TGM_Bulk_Installer_Skin extends Bulk_Upgrader_Skin {


            /**
              * Holds plugin info for each individual plugin installation.
              *
              * @since 2.2.0
              *
              * @var array
              */
            public $plugin_info = array();


            /**
              * Holds names of plugins that are undergoing bulk installations.
              *
              * @since 2.2.0
              *
              * @var array
              */
            public $plugin_names = array();


            /**
              * Integer to use for iteration through each plugin installation.
              *
              * @since 2.2.0
              *
              * @var integer
              */
            public $i = 0;


            /**
              * Constructor. Parses default args with new ones and extracts them for use.
              *
              * @since 2.2.0
              *
              * @param array $args Arguments to pass for use within the class
              */
            public function __construct( $args = array() ) {


                /** Parse default and new args */
                $defaults = array( 'url' => '', 'nonce' => '', 'names' => array() );
                $args = wp_parse_args( $args, $defaults );


                /** Set plugin names to $this->plugin_names property */
                $this->plugin_names = $args['names'];


                /** Extract the new args */
                parent::__construct( $args );


            }