[Plugin: ecSTATic] Warning after initial installation

Just installed this and had this warning at the top of the ecSTATic admin page…

Warning: max() [function.max]: Array must contain at least one element in /home/{snip}/public_html/wordpress/wp-content/plugins/ecstatic/ecstatic_interface.php on line 159

http://ww.wp.xz.cn/extend/plugins/ecstatic/