Fatal error: Uncaught Error: Class 'Swift_Encoder_Base64Encoder' not found in /home/clienti2020/public_html/novaballet.it/vendor/swiftmailer/swiftmailer/lib/classes/Swift/Mime/HeaderEncoder/Base64HeaderEncoder.php:16 Stack trace: #0 {main} thrown in /home/clienti2020/public_html/novaballet.it/vendor/swiftmailer/swiftmailer/lib/classes/Swift/Mime/HeaderEncoder/Base64HeaderEncoder.php on line 16