The woocommerce wishlist widget (and the button "add to wishlist" in the product page) points to a page called "wishlist_trashed" while I guess it should be "wishlist" (as in your demo site).
How to fix that? For the moment I've created a wishlist_trashed page but it's not nice to have that.
No need to answer, I found the pb, it was to be managed in the plugin.
You can config it on setting plugin.
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