Bootstrap theme not working with ojs 3.1.1

I have downloaded bootstrap theme for ojs 3.1.1.

But I see as selection for the theme and after selection all stying disappears.

I tried clearing cache.

Hi @Taz,

Check your PHP error log for details.

Alec Smecher
Public Knowledge Project Team

I am sorry, some files were not transferred using FTP.

It is working fine.