errors and cant login to admin panel now due to errors

i am unable to login to admin area to manage website. this is the following error i get. seems abit of coincedence since update woocommerce and various other plugins the other day to now get this.

please help

Warning: array_key_exists() expects parameter 2 to be array, string given in /home/pcmotoco/public_html/wp-content/plugins/yith-woocommerce-wishlist/includes/class.yith-wcwl.php on line 1156

Warning: Cannot modify header information – headers already sent by (output started at /home/pcmotoco/public_html/wp-content/plugins/yith-woocommerce-wishlist/includes/class.yith-wcwl.php:1156) in /home/pcmotoco/public_html/wp-includes/pluggable.php on line 1195