Warning: require(../../vendor/autoload.php): Failed to open stream: No such file or directory in /var/www/html/functions.php on line 3

Fatal error: Uncaught Error: Failed opening required '../../vendor/autoload.php' (include_path='.:/usr/local/lib/php') in /var/www/html/functions.php:3 Stack trace: #0 /var/www/html/projects/projectLog.php(3): include() #1 {main} thrown in /var/www/html/functions.php on line 3