Warning: fopen(http://webservices.amazon.de/onca/xml?Service=AWSECommerceService&Operation=ItemSearch&ContentType=text%2Fxml&Validate=False&XMLEscaping=Single&BrowseNode=299037&AWSAccessKeyId=1AK2TJJ9Q588FCNSY302&SearchIndex=Books&ItemPage=3&AssociateTag=gerster&ResponseGroup=Small,Images,Reviews,Offers&Sort=salesrank&Timestamp=2017-05-22T15:36:09Z&Signature=AWvJwr%2Bk5oGQMc%2Fgo7mrRJPt8Ukp3%2BgFcf2luwG9ezs%3D): failed to open stream: HTTP request failed! HTTP/1.1 503 Service Unavailable in /var/www/vhosts/schwedentor.de/httpdocs/php-bin/aws4.php on line 435
Can't get data from Amazon.