Ticket #15849: quick.15849.diff

wp-admin/includes/class-wp-list-table.php

@@ -845 +845 @@
          * @access private
          */
         function _js_vars() {
+                if ( ! $this->has_items() )
+                        return;
+
                 $args = array(
                         'class' => get_class( $this ),
                         'screen' => get_current_screen()

wp-admin/js/list-table.dev.js

@@ -144 +144 @@
         }
 }
 
+if ( typeof list_args == 'undefined' )
+        return;
+
 listTable.init();
 
 // Ajaxify various UI elements