Problem after update

Hello! Now I have updated the plugin and I received an error message.

y() expects parameter 1 to be a valid callback, function ‘nxs_snap_pointer_admin_enqueue_scripts’ not found or invalid function name in /my site path/wp-includes/class-wp-

https://i11.pixs.ru/storage/6/5/7/17052017jp_7553203_26216657.jpg

Until you fix it, I’ll rollback to the previous version