The problem was a change in Woocommerce at the end of 2017 and this old theme. While I am answering my own post, I want to credit the creator of this blog that really helped
“I fixed it, and your suggestion helped me stumble into it. IN Dec Woocommerce changed a few things…I found a blog post that saved me.
“Note the query arguments meta_key and meta_value? They’re the cause of your problem. Those values are no longer valid.
The query arguments above should now be replaced with a new tax_query argument, which would look like the following:””
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