smarty出现的错误

Warning: Smarty::include(mysmarty\templates_c\%%77^774^774BE9C9%%index.html.php) [function.Smarty-include]: failed to open stream: No such file or directory in G:\site\Smarty\libs\Smarty.class.php on line 1258Warning: Smarty::include() [function.include]: Failed opening 'mysmarty\templates_c\%%77^774^774BE9C9%%index.html.php' for inclusion (include_path='G:\site\Smarty\libs') in G:\site\Smarty\libs\Smarty.class.php on line 1258这两个警告主要是什么原因呢?希望得到高手的帮助!!!