怎么使用wamp运行php项目?报错

我的电脑装的是wamp集成环境，自己做了个简单的项目，名称为bbs，我把项目放到www目录下，环境打开了，怎么运行不了，不知哪里错了？

http://localhost:8886/www/bbs/index.php,   不该这样写吗

报错信息：The requested URL /www/bbs/index.php was not found on this server.

http://localhost:8886/bbs/index.php

报错信息：

The server encountered an internal error or misconfiguration and was unable to complete your request.

<p style="color:#000000;font-family:Simsun;font-size:medium;font-style:normal;font-weight:normal;text-align:start;text-indent:0px;">
	Please contact the server administrator at admin@example.com to inform them of the time this error occurred, and the actions you performed just before this error.
</p>
<p style="color:#000000;font-family:Simsun;font-size:medium;font-style:normal;font-weight:normal;text-align:start;text-indent:0px;">
	More information about this error may be available in the server error log.
</p>