my WordPress theme was working fine, suddenly my website stopped working.
when i checked my admin dashboard it shows
Warning: implode() [function.implode]: Invalid arguments passed in /home/hotelkat/public_html/wp-includes/class-wp-theme.php on line 675
ERROR: The theme directory "twentyfourteen" does not exist.
http://s24.postimg.org/qevojymol/tft.png
snapshot of the error
i even tried re installing my theme but even then i get this error
http://s14.postimg.org/4kswdpihd/image.png
can any one pls help me to fix it