Email error - MessageFormatter::formatMessage(): Creating message formatter failed

Code:

    $config['protocol'] = 'smtp';

    $config['SMTPHost'] = 'smtp.mailtrap.io';

    $config['SMTPUser'] = 'xxxxxxxxxxxxxx';

    $config['SMTPPass'] = 'xxxxxxxxxxxxxx';

    $config['SMTPPort'] = 25;

    $config['SMTPCrypto'] = 'tls';

    $config['mailType'] = 'html';

    $config['charset'] = 'utf-8';

    $config['CRLF'] = "\r\n";

    $config['newline'] = "\r\n";



    $email = \Config\Services::email();

    $email->initialize($config);



    $email->setFrom('[email protected]');

    $email->setTo('[email protected]');

    $email->setSubject('Asunto de Prueba');

    $email->setMessage('Texto de Prueba...');



    $email->send();