Warning: require(vendor/autoload.php): Failed to open stream: No such file or directory in /home/blueskycosmos/public_html/test.php on line 6

Fatal error: Uncaught Error: Failed opening required 'vendor/autoload.php' (include_path='.:/opt/cpanel/ea-php81/root/usr/share/pear') in /home/blueskycosmos/public_html/test.php:6 Stack trace: #0 {main} thrown in /home/blueskycosmos/public_html/test.php on line 6