Hello Guys i develop a website on Wordpress and made lot of posts about 7000. website was on sms and i paste one sms on each page. its permalinks settings disturbed by one of my friend and causes 404 errors in webmaster tool. Now site have 1720 404 errors after redirecting a lot in wordpress. Please Suggest me what to do and how to get rid of this. Site is getting traffic not too much about 100 daily organic. and i wanna run this website.