Introduced by request #45620.

2025-11-24 11:01:32 web plugin_mediawiki_standalone_farm: [34d2697a3dda0594578dca8b] [no req]   Error: Class "CliInstaller" not found #0 /usr/share/mediawiki-tuleap-flavor/current-lts/vendor/composer/ClassLoader.php(576): include()
#1 /usr/share/mediawiki-tuleap-flavor/current-lts/vendor/composer/ClassLoader.php(427): {closure:Composer\Autoload\ClassLoader::initializeIncludeClosure():575}()
#2 /usr/share/mediawiki-tuleap-flavor/current-lts/extensions/TuleapWikiFarm/src/InstanceCliInstaller.php(15): Composer\Autoload\ClassLoader->loadClass()
#3 /usr/share/mediawiki-tuleap-flavor/current-lts/vendor/composer/ClassLoader.php(576): include(string)
#4 /usr/share/mediawiki-tuleap-flavor/current-lts/vendor/composer/ClassLoader.php(427): {closure:Composer\Autoload\ClassLoader::initializeIncludeClosure():575}()
#5 /usr/share/mediawiki-tuleap-flavor/current-lts/extensions/TuleapWikiFarm/maintenance/installInstance.php(47): Composer\Autoload\ClassLoader->loadClass()
#6 /usr/share/mediawiki-tuleap-flavor/current-lts/maintenance/includes/MaintenanceRunner.php(703): InstallInstance->execute()
#7 /usr/share/mediawiki-tuleap-flavor/current-lts/maintenance/doMaintenance.php(100): MediaWiki\Maintenance\MaintenanceRunner->run()
#8 /usr/share/mediawiki-tuleap-flavor/current-lts/extensions/TuleapWikiFarm/maintenance/installInstance.php(61): require_once(string)
#9 {main}

Completely fresh instantiation is broken.