RequestException.php throwing an error?

[PixelDog]

I'm getting this error trying to do a search with apai-io:

Error at line 113 of /Applications/mampstack-5.6.30-2/apache2/htdocs/teknid/vendor/guzzlehttp/guzzle/src/Exception/RequestException.php

Any ideas? I built an app with apai-io maybe a year ago, my environment hasn't changed, and I fired it up again today and that's the error I am getting.

[PixelDog]

Yeah drat I'm not sure this is working anymore. I just tried running one of the samples (Lookup) from the command line and I get:

PHP Fatal error: Uncaught exception 'GuzzleHttp\Exception\ServerException' with message 'Server error: GET http://webservices.amazon.de/onca/xml?AWSAccessKeyId=xxxxxxxxx&AssociateTag=xxxxxxxx&ItemId=B0040PBK32%2CB00MEKHLLA&Operation=ItemLookup&ResponseGroup=Large%2CSmall&Service=AWSECommerceService&Timestamp=2019-10-18T21%3A02%3A16Z&Version=2013-08-01&Signature=xxxxxxxxxxxx` resulted in a 503 Service Unavailable response:

RequestThro (truncated...)
' in /Applications/mampstack-5.6.30-2/apache2/htdocs/apai-io/vendor/guzzlehttp/guzzle/src/Exception/RequestException.php:113
Stack trace:
#0 /Applications/mampstack-5.6.30-2/apache2/htdocs/apai-io/vendor/guzzlehttp/guzzle/src/Middleware.php(66): GuzzleHttp\Exception\RequestException::create(Object(GuzzleHttp\Psr7\Request), Object(GuzzleHttp\Psr7\Response))
#1 /Applications/mampstack-5.6.30-2/apache2/htdocs/apai-io/vendor in /Applications/mampstack-5.6.30-2/apache2/htdocs/apai-io/vendor/guzzlehttp/guzzle/src/Exception/RequestException.php on line 113`