functions.php Error

I am getting the following error at https://gregwoodard.com:

Warning: file(/home/gwoodard/gregwoodard-www/wp-content/themes/classic/style.css): failed to open stream: Permission denied in /home/gwoodard/gregwoodard-www/wp-includes/functions.php on line 1434

Warning: implode(): Bad arguments. in /home/gwoodard/gregwoodard-www/wp-includes/functions.php on line 1434