Hold down shift and hit the refresh button.
Try doing a hard refresh on your browser. I had the same issue resolved by hard refresh. Simple but sometimes can be effective.
@megnicholas where do you plce this code?
Is ayone using Cloudflare or a DNS provider?
Experiencing the same issue. Updated to Woocommerce latest version and WordPress latest version.
How do i remove persistent cart?
I am also experiencing the same issue:
WooCommerce 3.5.2
Wordpress 4.9.9
