After I sent my response yesterday, I emailed my web assistant to check if she had uploaded the code (she was supposed to deal with it over the weekend). It seems that she hadn't, so she apologized and took care of it. This morning (after the new code was added), I checked again and the shipping is not calculating on 'false' or 'sandbox'. On 'true' it gives the error. On not sandbox, it gives the error.
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