[SOLVED] Right Sidebars are empty

Hi.
My problem is that I've set up the sidebars in the options panel, and when I put the widgets I want to see there, they just don't show in the right sidebars. The left ones are shown correctly, though. It just leaves the blank space for the sidebars, but no content on them (I mean, I've checked that they are set to be shown in the options panel, and the do show, but empty!)

Any help will be much appreciated.