disable any user input

Dear all,,

I am trying to customize my elgg website, I need to make any user post(img, wire,msgbrd,profile..) pendding until admin approve this data.

I was tried to make the "enable" in the meta_data table in the database no. but when i enable it there is nothing to view and i see an error when i insert any post when this recored is no.

 

Please help ASAP to solve this problem

best wishes