joomla 出错 A misconfiguration on the server caused a hiccup. Check the server logs, fix the problem, then try again.

今天打开网页时出错,提示:

500 Server Error

A misconfiguration on the server caused a hiccup. Check the server logs, fix the problem, then try again.

首页不能打开,后台可以登陆。

删除插件acesef缓存,网页恢复打开。