Error at "Linking Grid with Form"

Dear Support Team …

I follow your “Building application” tutorial and it work smoothly, but when I start to work on “Linking Grid with Form” (docs.dhtmlx.com/doku.php?id=tuto … y:gridlink) I got this problem …
(image.free.in.th/z/ij/0error.jpg)

This happen everytime when i click on a row inside the grid, could you please tell me how to solve with this.

Thank you for your help.

We cannot reproduce this issue locally. Please check your Apache settings.

thank you for your answer.

I try to check my apache setting but I can’t find which part cause problem.
It work smoothly on grid at first but after link it with form, the probelm occur.
Could you please guide me where should I check ??

Thank you so much. : )

Check what your php file returns when you click on row.
Also you can turn on connector logging.