Fatal error: Uncaught Error: Interface "League\Config\ConfigurationBuilderInterface" not found in /usr/home/jiexusheng/domains/linuxdo.isgre.at/public_html/vendor/league/config/src/Configuration.php:27
Stack trace:
#0 {main}
  thrown in /usr/home/jiexusheng/domains/linuxdo.isgre.at/public_html/vendor/league/config/src/Configuration.php on line 27