請問是什麼問題???

[hinkk]

Exception message: Invalid argument supplied for foreach()
Error code: 2
-- Backtrace --
F:\E\richmedia\blog\class\dao\articles.class.php(414): getblogarticles
F:\E\richmedia\blog\class\view\blogview.class.php(131): articles.getblogarticles
F:\E\richmedia\blog\class\view\blogview.class.php(197): viewarticleview._getrecentposts
F:\E\richmedia\blog\class\view\viewarticleview.class.php(73): blogview.render
F:\E\richmedia\blog\class\controller\controller.class.php(325): viewarticleview.render
F:\E\richmedia\blog\index.php(44): blogcontroller.process

Exception message: Cannot modify header information - headers already sent by (output started at F:\E\richmedia\blog\class\object\exception.class.php:37)
Error code: 2
-- Backtrace --
F:\E\richmedia\blog\class\view\view.class.php(172): header
F:\E\richmedia\blog\class\view\view.class.php(309): viewarticleview.sendcontenttype
F:\E\richmedia\blog\class\view\smartyview.class.php(163): view.render
F:\E\richmedia\blog\class\view\blogview.class.php(224): smartyview.render
F:\E\richmedia\blog\class\view\viewarticleview.class.php(73): blogview.render
F:\E\richmedia\blog\class\controller\controller.class.php(325): viewarticleview.render
F:\E\richmedia\blog\index.php(44): blogcontroller.process