Deprecated: ContaoCommunityAlliance\Composer\Plugin\Installer\LegacyContaoModuleInstaller::__construct(): Implicitly marking parameter $filesystem as nullable is deprecated, the explicit nullable type must be used instead in /home/rankting/public_html/ALT/ranketing.de (contao)/vendor/contao-community-alliance/composer-plugin/src/Installer/LegacyContaoModuleInstaller.php on line 52

Fatal error: Uncaught Error: Class "ContaoCommunityAlliance\Composer\Plugin\Installer\AbstractModuleInstaller" not found in /home/rankting/public_html/ALT/ranketing.de (contao)/vendor/contao-community-alliance/composer-plugin/src/Installer/LegacyContaoModuleInstaller.php:37 Stack trace: #0 {main} thrown in /home/rankting/public_html/ALT/ranketing.de (contao)/vendor/contao-community-alliance/composer-plugin/src/Installer/LegacyContaoModuleInstaller.php on line 37