Warning: require(../vendor/autoload.php): Failed to open stream: No such file or directory in /home/apisdj/public_html/djMailer/v2/Mailer.php on line 3

Fatal error: Uncaught Error: Failed opening required '../vendor/autoload.php' (include_path='.:/opt/cpanel/ea-php81/root/usr/share/pear') in /home/apisdj/public_html/djMailer/v2/Mailer.php:3 Stack trace: #0 /home/apisdj/public_html/djMailer/v2/index.php(9): require() #1 {main} thrown in /home/apisdj/public_html/djMailer/v2/Mailer.php on line 3