Jilco theme not work properly

I just purchase Jilco theme but I see errors when I publisch to my site http://www.rpi-nas.nl
I just want to write a simple home page with no background how cn i Delete the basic background I also want to write a contact form How can I do that. Please visit my site rpi-nas.nl to see what is wrong.

Thank you

Hi,

Please contact the author of your purchased theme, the theme author will assist you.

How to contact an author to get support or for any technical query:

Also you can check the theme documentation hopefully you will get necessary help.

Thanks

Thank you for your reply. Please can you give me a emailadress from the support off the Jilco Theme.

Thank you

there is no publicly published email for Envato authors/customers but if you follow my provided link ‘How to contact an author’ you will find a way how to contact them. Thanks