Fatal error: Uncaught Error: Interface 'WPMailSMTP\Vendor\Aws\Crypto\MaterialsProviderInterfaceV2' not found in /home/ursatac/public_html/wp-content/plugins/wp-mail-smtp-pro/vendor_prefixed/aws/aws-sdk-php/src/Crypto/MaterialsProviderV2.php:5 Stack trace: #0 {main} thrown in /home/ursatac/public_html/wp-content/plugins/wp-mail-smtp-pro/vendor_prefixed/aws/aws-sdk-php/src/Crypto/MaterialsProviderV2.php on line 5