woocommerce installed and payment gateway turned on.
But when click “proceed payment ” , the error appear ” Nothing Found , sorry, but nothing matched your search terms . please try again with some different keywords ”
Please make sure that WooCommerce pages exist in the Pages section (Cart, Checkout, etc), you can also re-create these pages in WooCommerce/Status/Tools section. If this issue remains, please try refreshing permalinks in Settings/Permalinks section.