[El Forum]

[eluser]plainas[/eluser]
The problem is described in this thread:

http://ellislab.com/forums/viewthread/92604/

I am using CI version 1.5.4

[El Forum]

[eluser]dmorin[/eluser]
Make sure that if you have querystring enabled, but aren't using them to specify the controller and method, that you set:

Code:

$config['uri_protocol'] = "PATH_INFO";

This hides the querystring parameters from CI so it doesn't get confused and try to route based on the querystring.