merging facebook pages problem

heloo to all,i have prblm,when i try to merge 2 facebook pages i got message
"Pages can't be merged"
"An error has occurred while merging Pages. This may have been caused by your attempt to merge too many Pages."
so i heard for manual merge request,but i can find a link,so if anyone have link,please pm me

In the past it gaves 3 link, but no one of this link is working anymore. If someone have a link, please pm me too, thanks.