Fatal error: Uncaught Error: Interface "Psy\VersionUpdater\Checker" not found in /usr/home/jiexusheng/domains/linuxdo.isgre.at/public_html/vendor/psy/psysh/src/VersionUpdater/GitHubChecker.php:16
Stack trace:
#0 {main}
  thrown in /usr/home/jiexusheng/domains/linuxdo.isgre.at/public_html/vendor/psy/psysh/src/VersionUpdater/GitHubChecker.php on line 16