Report displayed in design mode but not in localhost

Hi,

I'm using VS2010 with CR 13.0.2000.0 in a windows XP machine.

In design mode in VS I can see the report (it's a normal one, with some text) as you can see in the image:

But, when I run the application and go to the page I inserted the report, I only see the header:

I have this error in chrome developer mode:

Can anyone help me with this?

Best regards.