I have installed Shipper Pro as a plugin on one of my websites, and it won’t activate. It causes a fatal error. Installing a fresh copy not help either. Please check and help.
Fatal error: Uncaught Error: Call to undefined function Awsmanifest() in /home/+++/public_html/wp-content/plugins/shipper/lib/external/aws/aws-sdk-php/src/AwsClient.php:150 Stack trace: #0 /home/+++/public_html/wp-content/plugins/shipper/lib/external/aws/aws-sdk-php/src/S3/S3Client.php(263): AwsAwsClient->__construct(Array) #1 /home/+++/public_html/wp-content/plugins/shipper/lib/shipper/model/system/class-php.php(195): AwsS3S3Client->__construct(Array) #2 /home/+++/public_html/wp-content/plugins/shipper/lib/shipper/model/system/class-php.php(143): Shipper_Model_System_Php->has_aws_s3_client() #3 /home/+++/public_html/wp-content/plugins/shipper/lib/shipper/model/system/class-php.php(70): Shipper_Model_System_Php->get_aws_support_level() #4 /home/+++/public_html/wp-content/plugins/shipper/lib/shipper/model/system/class-php.php(34): Shipper_Model_System_Php->populate() #5 /home/+++/public_html/wp-content/plugins/shipper/lib/shipper/model/class-system.php(27): Shipper_Model_System_Php->_ in /home/+++/public_html/wp-content/plugins/shipper/lib/external/aws/aws-sdk-php/src/AwsClient.php on line 150