nivo slider problem

hi , i have pavillion template, when i set the widget zone for the slider to home_page_main_slider it doesnt show at all , and when i set it to content_before it shows in every page ,i just want it visible on main page only, and i have a page not found showing in main page, any help? please

Need to your site admin access to check configuration. Are you able to provide ?

can you instruct me please with wihch might be the problem? please , thanks alot

You are using third party plugin and theme. So need to go admin side and need to check configuration.

Thanks,
Jatin