Warning: require_once(./vendor/autoload.php): Failed to open stream: No such file or directory in /var/www/musicschools/taxiscommon.php on line 4

Fatal error: Uncaught Error: Failed opening required './vendor/autoload.php' (include_path='.:/usr/share/pear:/usr/share/php') in /var/www/musicschools/taxiscommon.php:4 Stack trace: #0 /var/www/musicschools/taxis1.php(17): require_once() #1 {main} thrown in /var/www/musicschools/taxiscommon.php on line 4