Backstage
    Preparing search index...
    dynamicPluginsRootLoggerServiceFactory: (
        options?: DynamicPluginsRootLoggerFactoryOptions,
    ) => ServiceFactory<RootLoggerService, "root", "singleton"> & ServiceFactory<
        RootLoggerService,
        "root",
        "singleton",
    > = ...

    Use dynamicPluginsFeatureLoader instead, which gathers all services and features required for dynamic plugins.