Fatal error: Uncaught Exception: Alpha channel did not convert in /var/www/html/aws-thumbnailer/src/Aro/AwsThumbnailer.php:1162 Stack trace: #0 /var/www/html/aws-thumbnailer/src/Aro/AwsThumbnailer.php(300): Aro\AwsThumbnailer->transformImage() #1 /var/www/html/aws-thumbnailer/public_html/index.php(94): Aro\AwsThumbnailer->execute() #2 {main} thrown in /var/www/html/aws-thumbnailer/src/Aro/AwsThumbnailer.php on line 1162