Sass Compiling Error

/home/jetfuelc/public_html/wp-content/plugins/wp-scss/cache/
"File Permission Error, permission denied. Please make the cache directory writable."


Warning: Cannot modify header information - headers already sent by (output started at /home/jetfuelc/public_html/wp-content/plugins/wp-scss/wp-scss.php:238) in /home/jetfuelc/public_html/wp-includes/pluggable.php on line 1281

Warning: Cannot modify header information - headers already sent by (output started at /home/jetfuelc/public_html/wp-content/plugins/wp-scss/wp-scss.php:238) in /home/jetfuelc/public_html/wp-includes/pluggable.php on line 1284