org.hippoecm.hst.core.parameters.ValueListProvider executed in wrong HstRequestContext

    @Parameter(name = "foo", required = true, displayName = "Bar")
    @DropDownList(valueListProvider = FooBar.class)
    String getFirstSector();

final HstRequestContext ctx = RequestContextProvider.get();
            final ValueListManager valueListManager = HstServices.getComponentManager().getComponent(ValueListManager.class.getName());
            final HippoBean baseBean = ctx.getSiteContentBaseBean();

java.lang.IllegalStateException: No content bean annotation class resource path found.