ERROR: The CGExtensions module could not be found.

string(113) "Smarty error: [in tpl_top:24 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/%%BB^BB8^BB846DBE%%tpl_top%3A24.php on line 5