更新缓存出错，代码如下：

更新缓存出错，代码如下：

Warning: parse_template(): Failed opening '' for inclusion (include_path='.;c:\php4\pear') in D:\WEB\xj001.com\Discuz!_5.0.0RC1_SC_GBK\upload\include\template.func.php on line 25

Current template pack do not have a necessary language file 'templates.lang.php' or have syntax error!


这是怎么回事，高手指点下