ERROR: The CGExtensions module could not be found.

string(113) "Smarty error: [in tpl_top:27 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/klaudia/domains/iglofiltry.com.pl/public_html/tmp/templates_c/%%22^228^228D3C04%%tpl_top%3A27.php on line 5