ERROR: The CGExtensions module could not be found.

string(113) "Smarty error: [in tpl_top:30 line 1]: [plugin] unknown tag - 'process_pagedata' (core.load_plugins.php, line 124)"
Fatal error: Call to undefined function smarty_cms_function_process_pagedata() in /home/user1137/www/euroopt.by/en/tmp/templates_c/%%A5^A5F^A5F298E6%%tpl_top%3A30.php on line 5