Calculation in the cart

Please send a list of active plugins.

Perhaps the fact that it is a network of sites also has an effect on this.

I use theme Astra (in actual version)

List of plugins:

• Carousel Upsells and Related Product for Woocommerce
• Complianz | GDPR/CCPA Cookie Souhlas
• Conditional Payments for WooCommerce
• Conditional Shipping for WooCommerce
• Elementor
• FiboSearch – AJAX Search for WooCommerce
• Free Shipping Label
• PDF Invoices & Packing Slips for WooCommerce
• Product Feed PRO for WooCommerce
• WooCommerce
• WP Fastest Cache
• WPC Grouped Product for WooCommerce
• YIKES Custom Product Tabs pro WooCommerce
• YITH WooCommerce Ajax Product Filter
• Yoast SEO

Thanks ??

Can you also send a product URL?

Yes, link:
https://anderskafka.cz/eshop/produkt/qube-9kw-a-105-kw-designove-saunove-elektricke-topidlo-bez-ridici-jednotky/?attribute_pa_vykon-topidla-kw=105

It looks like you have another plugin that overwrites our pricing. Try disabling these plugins to see if that fixes it:

Conditional Shipping for WooCommerce
Conditional Payments for WooCommerce
Free Shipping Label

Closing due to inactivity. Feel free to open a new ticket if this is still an issue.