HELP: Files in Wrong Location and Hosting Server could not locate my Blog Content

I deleted files located at public_html and this affected the blog (XXX.com), which was located in this directory( others are addons and located as public_html/yyyyyyyyyy.com). I contacted my host and they restored the files but only the homepage of the blog XXX.com was showing, the inner pages are showing this error :
"Warning: require_once(/home/wificall/wp-load.php): failed to open stream : No such file or directory in /home/wificall/public_html/admin.php on line 31
Fatal error:…

HELP: Files in Wrong Location and Hosting Server could not locate my Blog Content