Fatal error: Uncaught exception 'Amazon\ProductAdvertisingAPI\v1\ApiException' with message '[400] Client error: `POST https://webservices.amazon.it/paapi5/searchitems` resulted in a `400 Bad Request` response: {"__type":"com.amazon.paapi5#ValidationException","Errors":[{"Code":"InvalidParameterValue","Message":"The value provid (truncated...) ' in /home/lacucarabe/www/forumit/lib/src/com/amazon/paapi5/v1/api/DefaultApi.php:1042 Stack trace: #0 /home/lacucarabe/www/forumit/lib/src/com/amazon/paapi5/v1/api/DefaultApi.php(1019): Amazon\ProductAdvertisingAPI\v1\com\amazon\paapi5\v1\api\DefaultApi->searchItemsWithHttpInfo(Object(Amazon\ProductAdvertisingAPI\v1\com\amazon\paapi5\v1\SearchItemsRequest)) #1 /home/lacucarabe/www/forumit/lib/newlibzon.php(92): Amazon\ProductAdvertisingAPI\v1\com\amazon\paapi5\v1\api\DefaultApi->searchItems(Object(Amazon\ProductAdvertisingAPI\v1\com\amazon\paapi5\v1\SearchItemsRequest)) #2 /home/lacucarabe/www/forumit/app.php(33): getAmazonPd('it', '', 'All', '', 1) #3 {main} thrown in /home/lacucarabe/www/forumit/lib/src/com/amazon/paapi5/v1/api/DefaultApi.php on line 1042