<br />
<b>Fatal error</b>:  Uncaught exception 'Aws\Sns\Exception\SnsException' with message 'Error executing &quot;Publish&quot; on &quot;https://sns.ap-southeast-1.amazonaws.com&quot;; AWS HTTP error: Client error: `POST https://sns.ap-southeast-1.amazonaws.com` resulted in a `403 Forbidden` response:
&lt;ErrorResponse xmlns=&quot;http://sns.amazonaws.com/doc/2010-03-31/&quot;&gt;
  &lt;Error&gt;
    &lt;Type&gt;Sender&lt;/Type&gt;
    &lt;Code&gt;InvalidClie (truncated...)
 InvalidClientTokenId (client): The security token included in the request is invalid. - &lt;ErrorResponse xmlns=&quot;http://sns.amazonaws.com/doc/2010-03-31/&quot;&gt;
  &lt;Error&gt;
    &lt;Type&gt;Sender&lt;/Type&gt;
    &lt;Code&gt;InvalidClientTokenId&lt;/Code&gt;
    &lt;Message&gt;The security token included in the request is invalid.&lt;/Message&gt;
  &lt;/Error&gt;
  &lt;RequestId&gt;a6724e53-707a-50e2-81c9-2d77851f86d8&lt;/RequestId&gt;
&lt;/ErrorResponse&gt;
'

GuzzleHttp\Exception\ClientException: Client error: `POST https://sns.ap-southeast-1.amazonaws.com` resulted in a `403 Forbidden` response:
&lt;ErrorResponse xmlns=&quot;http://sns.amazonaws.com/doc/2010-03-31/&quot;&gt;
  &lt;Error&gt;
    &lt;Type&gt;Sender&lt;/T in <b>/home/reviewsharp/play.sharpinstincts.com.au/smstest/Aws/WrappedHttpHandler.php</b> on line <b>191</b><br />