Fatal error: Uncaught TypeError: Return value of Composer\Autoload\ClassLoader::initializeIncludeClosure() must be an instance of Composer\Autoload\void, none returned in /home/nideeshwaram/public_html/PHPMailer/vendor/composer/ClassLoader.php:580 Stack trace: #0 /home/nideeshwaram/public_html/PHPMailer/vendor/composer/ClassLoader.php(112): Composer\Autoload\ClassLoader::initializeIncludeClosure() #1 /home/nideeshwaram/public_html/PHPMailer/vendor/composer/autoload_real.php(28): Composer\Autoload\ClassLoader->__construct('/home/nideeshwa...') #2 /home/nideeshwaram/public_html/PHPMailer/vendor/autoload.php(25): ComposerAutoloaderInitae75d13141ba1c4083d124fc9b93fb9e::getLoader() #3 /home/nideeshwaram/public_html/appointment.php(14): require('/home/nideeshwa...') #4 {main} thrown in /home/nideeshwaram/public_html/PHPMailer/vendor/composer/ClassLoader.php on line 580