title: INVALID_REQUEST: Field [order.avsDetails.billToFirstname] was not in charset [ISO-8859-1]
body: <p>For some Reasons when I use <code>OnTap MasterCard Extension</code>, Any Arabic characters in shippment addresses throws an error:</p>
  
  <pre><code>INVALID_REQUEST: Field [order.avsDetails.billToFirstname] was not in charset [ISO-8859-1]
  </code></pre>
  
  <p>The extension link :</p>
  
  <pre><code>https://marketplace.magento.com/ontap-module-mastercard.html
  </code></pre>
  
  <p>Please help.</p>