Fatal error: Uncaught RuntimeException: SNS message type header not provided. in /home/vsdigita/public_html/wwvsd.vsdigital.ch/vendor/aws/aws-php-sns-message-validator/src/Message.php:40 Stack trace: #0 /home/vsdigita/public_html/wwvsd.vsdigital.ch/index.php(9): Aws\Sns\Message::fromRawPostData() #1 {main} thrown in /home/vsdigita/public_html/wwvsd.vsdigital.ch/vendor/aws/aws-php-sns-message-validator/src/Message.php on line 40