Critical Error under wp-admin 2.1.0

After update to 2.1.0 cant access admin pages yoursite.com/wp-admin or any of the admin pages produces critical error.

had to go into wp toolkit to disable the plugin.

Can confirm rolling back to 2.0.3 works fine.

https://downloads.wordpress.org/plugin/woocommerce-product-stock-alert.2.0.3.zip

in case you need it

WP fully updated ( 6.3.1 ) using PHP8.0.30