Warning: require(PHPUnit/Autoload.php): failed to open stream: No such file or directory in /home/merchusa/public_html/PHPMailer/test_/phpmailerTest.php on line 15

Warning: require(PHPUnit/Autoload.php): failed to open stream: No such file or directory in /home/merchusa/public_html/PHPMailer/test_/phpmailerTest.php on line 15

Fatal error: require(): Failed opening required 'PHPUnit/Autoload.php' (include_path='.:/opt/alt/php74/usr/share/pear') in /home/merchusa/public_html/PHPMailer/test_/phpmailerTest.php on line 15