You probably want to change this message:
No shipping methods were found; please recalculate your shipping or continue to checkout and enter your full address to see if there is shipping available to your location.
You can override it in the template. If you’ve never overwritten a WooCommerce template here how:
WooCommerce will naturally use your themes version of this file over it’s own. Doing this should be fairly safe against future updates (much safer than editing the plugin files themselves).
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