Ftp Index Of.jpg How To Restore Index.php SMF Forum FTP...?

How to restore index.php SMF forum FTP...? - ftp index of.jpg

I accidentally deleted index.php SMF forum that was installed on my FTP server. Php file I crawled on my tab bar and Mozilla just disappear without prior notice. Is it possible to restore, or I can find the file somewhere?
I have the search function to search everywhere for the file on my PC. Please help!?
Thank you!