If this is a recent issue this could be several things, if you recently
- changed theme settings such as adding content blocks turn off that setting or remove those blocks
- installed an app you may need to uninstall or disable the app or contact that apps support
- uninstalled an app there may be left over code you need to remove
- changes your currency formatting in your admin check that you didn’t duplicate anything. https://help.shopify.com/en/manual/payments/currency-formatting
Beyond that others need a store url and storefront password to inspect any problems.
If you need it diagnosed and fixed contact me at paull.newton+shopifyforums@gmail.com with store url&storefront password, and reference this threads url and provide any other relevant details.