TotalCache.php Warning

anybody can help me ?

Warning: array_shift() expects parameter 1 to be array, null given in /home/xxx/public_html/wp-content/plugins/w3-total-cache/lib/W3/Plugin/TotalCache.php on line 789

and my url is : http://bilisimhaberi.com/wp-admin/

how can i fix it ?

http://ww.wp.xz.cn/plugins/w3-total-cache/