Fatal error: Uncaught Error: Class 'ContaoCommunityAlliance\Composer\Plugin\Installer\AbstractModuleInstaller' not found in /home/eberhardschwarze/public_html/vendor/contao-community-alliance/composer-plugin/src/Installer/ContaoModuleInstaller.php:36 Stack trace: #0 {main} thrown in /home/eberhardschwarze/public_html/vendor/contao-community-alliance/composer-plugin/src/Installer/ContaoModuleInstaller.php on line 36