Fixing Autoload.php error while running projects from Github or others

Warning: require(/opt/lampp/htdocs/laravelprojects/mmdb_web/bootstrap/../vendor/autoload.php): failed to open stream: No such file or directory in /opt/lampp/htdocs/laravelprojects/mmdb_web/bootstrap/autoload.php on line 17

Fatal error: require(): Failed opening required '/opt/lampp/htdocs/laravelprojects/mmdb_web/bootstrap/../vendor/autoload.php' (include_path='.:/opt/lampp/lib/php') in /opt/lampp/htdocs/laravelprojects/mmdb_web/bootstrap/autoload.php on line 17


Use Composer install to update all the dependencies