php pear

Image_Graph was moved to a different environment using the application, here as well as a description of the error occurs.

They may not be able to understand how different depending on the environment, from the error message, will be out in the error is that there is no constructor.

In the class Image_Graph_Element of Image / Graph / Element.php,

  class Image_Graph_Element extends Image_Graph_Common
 {
     ....
     function Image_Graph_Element () {
     }
     ....
 } 

Append. Got to work.