Please help us in fixing this errors !!

This is the error we are getting on our dashboard.

“Your theme (snsvicky) contains outdated copies of some WooCommerce template files. These files may need updating to ensure they are compatible with the current version of WooCommerce. You can see which files are affected from the system status page. If in doubt, check with the author of the theme.”

and also on few products we are getting code error like this below

“Notice: Undefined index: callback in /home/cutiheal/public_html/dermalkorea.in/wp-content/themes/snsvicky/woocommerce/single-product/tabs/tabs.php on line 45

Warning: call_user_func() expects parameter 1 to be a valid callback, no array or string given in /home/cutiheal/public_html/dermalkorea.in/wp-content/themes/snsvicky/woocommerce/single-product/tabs/tabs.php on line 45”

Dear team
Please check our website once and if you guys find any bugs and if any update is required needed please fix it.

Thanks & Regards