Inventor theme problem

Hi,

I am using inventor theme.i want to protect some contains meaning want to make it paid content so i have installed the ultimate member plugins but its not working. Can someone help me.

site is..

http://www.test.sanrusha.com

please help. if there is any compatible plugins guys let me know.

thanks