diff --git a/.project b/.project
index 61af064..781a389 100644
--- a/.project
+++ b/.project
@@ -16,12 +16,12 @@
 			</arguments>
 		</buildCommand>
 		<buildCommand>
-			<name>org.eclipse.m2e.core.maven2Builder</name>
+			<name>org.eclipse.wst.validation.validationbuilder</name>
 			<arguments>
 			</arguments>
 		</buildCommand>
 		<buildCommand>
-			<name>org.eclipse.wst.validation.validationbuilder</name>
+			<name>org.eclipse.m2e.core.maven2Builder</name>
 			<arguments>
 			</arguments>
 		</buildCommand>
diff --git a/.settings/org.eclipse.wst.validation.prefs b/.settings/org.eclipse.wst.validation.prefs
new file mode 100644
index 0000000..04cad8c
--- /dev/null
+++ b/.settings/org.eclipse.wst.validation.prefs
@@ -0,0 +1,2 @@
+disabled=06target
+eclipse.preferences.version=1
diff --git a/src/main/java/org/gcube/application/geoportaldatamapper/shared/MetaDataProfileBeanExt.java b/src/main/java/org/gcube/application/geoportaldatamapper/shared/MetaDataProfileBeanExt.java
index c908e1c..caa2b90 100644
--- a/src/main/java/org/gcube/application/geoportaldatamapper/shared/MetaDataProfileBeanExt.java
+++ b/src/main/java/org/gcube/application/geoportaldatamapper/shared/MetaDataProfileBeanExt.java
@@ -1,5 +1,6 @@
 package org.gcube.application.geoportaldatamapper.shared;
 
+import java.io.Serializable;
 import java.util.ArrayList;
 import java.util.List;
 
@@ -16,7 +17,7 @@ import org.gcube.portlets.widgets.mpformbuilder.shared.metadata.MetadataFieldWra
  * 
  *         Nov 23, 2022
  */
-public class MetaDataProfileBeanExt extends MetaDataProfileBean implements Cloneable {
+public class MetaDataProfileBeanExt extends MetaDataProfileBean implements Serializable {
 
 	/**
 	 * 
@@ -28,7 +29,7 @@ public class MetaDataProfileBeanExt extends MetaDataProfileBean implements Clone
 	 * Instantiates a new meta data profile bean ext.
 	 */
 	public MetaDataProfileBeanExt() {
-		super();
+
 	}
 
 	/**
@@ -64,8 +65,12 @@ public class MetaDataProfileBeanExt extends MetaDataProfileBean implements Clone
 		this.listFileset = listFileset;
 	}
 
-	@Override
-	protected MetaDataProfileBeanExt clone() throws CloneNotSupportedException {
+	/**
+	 * Clone obj.
+	 *
+	 * @return the meta data profile bean ext
+	 */
+	public MetaDataProfileBeanExt cloneObj() {
 
 		MetaDataProfileBeanExt clonedMDPBE = new MetaDataProfileBeanExt();
 		clonedMDPBE.setTitle(this.getTitle());