My b2evolution Version: Not Entered

Upon updating b2evo to the latest version (4.0.3), the "Random redirect" plugin gives an error:

Fatal error: Class 'ItemListLight' not found in /home2/bit/public_html/blog/plugins/random_redirect_plugin/_random_redirect.plugin.php on line 96

The link is http://www.lalaurette.com.ar/blog/?random