diff --git a/vertigo-datafactory-plugin-elasticsearch_5_6/src/main/java/io/vertigo/datafactory/plugins/search/elasticsearch_5_6/AbstractESSearchServicesPlugin.java b/vertigo-datafactory-plugin-elasticsearch_5_6/src/main/java/io/vertigo/datafactory/plugins/search/elasticsearch_5_6/AbstractESSearchServicesPlugin.java
index daf2c99..a8b2821 100644
--- a/vertigo-datafactory-plugin-elasticsearch_5_6/src/main/java/io/vertigo/datafactory/plugins/search/elasticsearch_5_6/AbstractESSearchServicesPlugin.java
+++ b/vertigo-datafactory-plugin-elasticsearch_5_6/src/main/java/io/vertigo/datafactory/plugins/search/elasticsearch_5_6/AbstractESSearchServicesPlugin.java
@@ -19,6 +19,7 @@
 
 import java.io.IOException;
 import java.io.InputStream;
+import java.io.Serializable;
 import java.net.URL;
 import java.util.Collection;
 import java.util.HashSet;
@@ -63,6 +64,7 @@
 import io.vertigo.datamodel.smarttype.definitions.SmartTypeDefinition;
 import io.vertigo.datamodel.structure.definitions.DtDefinition;
 import io.vertigo.datamodel.structure.definitions.DtField;
+import io.vertigo.datamodel.structure.definitions.DtFieldName;
 import io.vertigo.datamodel.structure.model.DtListState;
 import io.vertigo.datamodel.structure.model.DtObject;
 import io.vertigo.datamodel.structure.model.KeyConcept;
@@ -303,6 +305,24 @@ public final void remove(final SearchIndexDefinition indexDefinition, final List
 		markToOptimize(obtainIndexName(indexDefinition));
 	}
 
+	/** {@inheritDoc} */
+	@Override
+	public void putMetaData(final SearchIndexDefinition indexDefinition, final String dataPath, final Serializable dataValue) {
+		throw new UnsupportedOperationException("This old plugin doesn't support this method.");
+	}
+
+	/** {@inheritDoc} */
+	@Override
+	public Serializable getMetaData(final SearchIndexDefinition indexDefinition, final String dataPath) {
+		throw new UnsupportedOperationException("This old plugin doesn't support this method.");
+	}
+
+	/** {@inheritDoc} */
+	@Override
+	public <K extends KeyConcept> Map<UID<K>, Serializable> loadVersions(final SearchIndexDefinition indexDefinitions, final DtFieldName<K> versionFieldName, final ListFilter listFilter, final int maxElements) {
+		throw new UnsupportedOperationException("This old plugin doesn't support this method.");
+	}
+
 	private <S extends KeyConcept, I extends DtObject> ESStatement<S, I> createElasticStatement(final SearchIndexDefinition indexDefinition) {
 		Assertion.check()
 				.isTrue(indexSettingsValid,
diff --git a/vertigo-datafactory-plugin-elasticsearch_5_6/src/test/java/io/vertigo/datafactory/search_5_6/withstore/ItemSearchLoader.java b/vertigo-datafactory-plugin-elasticsearch_5_6/src/test/java/io/vertigo/datafactory/search_5_6/withstore/ItemSearchLoader.java
index 280dba6..099af80 100644
--- a/vertigo-datafactory-plugin-elasticsearch_5_6/src/test/java/io/vertigo/datafactory/search_5_6/withstore/ItemSearchLoader.java
+++ b/vertigo-datafactory-plugin-elasticsearch_5_6/src/test/java/io/vertigo/datafactory/search_5_6/withstore/ItemSearchLoader.java
@@ -47,7 +47,7 @@
  * SearchLoader of Item keyconcept, load uses StoreManager.
  * @author npiedeloup
  */
-public final class ItemSearchLoader extends AbstractSqlSearchLoader<Long, Item, Item> {
+public final class ItemSearchLoader extends AbstractSqlSearchLoader<Item, Item> {
 	private final SearchManager searchManager;
 	private final DefinitionSpace definitionSpace;