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Fatal error: Uncaught Error: Failed opening required 'vendor/autoload.php' (include_path='.:/opt/cpanel/ea-php81/root/usr/share/pear') in /home/thetestsite/public_html/ethinos_au/sent_mail.php:10 Stack trace: #0 {main} thrown in /home/thetestsite/public_html/ethinos_au/sent_mail.php on line 10