PHP Error Message

 

 

Warning: fopen(/home/xxx/xxx/wp-content/themes/thewhatsup/cache/style_custom.css) [function.fopen]: failed to open stream: Permission denied in /home/xxx/xxx/wp-content/themes/thewhatsup/lib/class/Cache.php on line 45

                 42: function stop($id) {

	     43:    $s = ob_get_clean();

	     44:    $filename = $this->dir.$id;

	     45:    $fp = fopen($filename, 'w+');

	     46:    if ($fp) {

	     47:                 write($fp, $s);

	     48:                 fclose($fp);

	     49:    }

	     50:    return $s;

	     51: }