Please check available articles. They describe how to update woocommerce properly to 6.3 version and how to update database. You didn’t make this after update
what is solution this
https://www.google.com/search?q=woocommerce+6.3+filters+not+working Ср, 16 марта 2022 г. в 13:34, Sizam Support Help Desk < sizamtheme+E9PZbBO4GzNk6XVWYk0y@mail.support-hub.io>:
hi filter by brand is not working
Additional Info
Link on page with issue: https://www.90mobiles.com/televisions-price-list-in-india/
Please check available articles. They describe how to update woocommerce properly to 6.3 version and how to update database. You didn’t make this after update