Thanks for your quick response John. The website isn’t using Woocommerce and it’s not do with the theme or any plugins, I know that much as I developed the site myself from scratch.
However, to answer your question, the site is using the following plugins:
I’d refer to @jacobajjarapu and @trainoasis’s comments – it’s working fine in local and staging but not in production. The fields definitely aren’t being used elsewhere. It’s a strange one. For now I’m just going to hardcode the fields as a workaround, but it would be great to know if anybody else is experiencing this issue.
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