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

Fatal error: Uncaught Error: Failed opening required '../vendor/autoload.php' (include_path='.:/usr/share/php') in /var/www/html/knx/views/sign-in.php:3 Stack trace: #0 {main} thrown in /var/www/html/knx/views/sign-in.php on line 3