Warning: require_once(/home/.sites/463/site9867097/web/vendor/composer/autoload_real.php): Failed to open stream: No such file or directory in /home/.sites/463/site9867097/web/vendor/autoload.php on line 23

Fatal error: Uncaught Error: Failed opening required '/home/.sites/463/site9867097/web/vendor/composer/autoload_real.php' (include_path='.:/opt/alt/php84/usr/share/pear:/opt/alt/php84/usr/share/php:/usr/share/pear:/usr/share/php') in /home/.sites/463/site9867097/web/vendor/autoload.php:23
Stack trace:
#0 /home/.sites/463/site9867097/web/bootstrap.php(11): require_once()
#1 /home/.sites/463/site9867097/web/web/index.php(7): require('/home/.sites/46...')
#2 {main}
  thrown in /home/.sites/463/site9867097/web/vendor/autoload.php on line 23