diff --git a/cms-plugin-framework/src/main/java/org/gcube/application/cms/plugins/implementations/SimpleLifeCycleManager.java b/cms-plugin-framework/src/main/java/org/gcube/application/cms/plugins/implementations/SimpleLifeCycleManager.java
index 87e07cf..64c371f 100644
--- a/cms-plugin-framework/src/main/java/org/gcube/application/cms/plugins/implementations/SimpleLifeCycleManager.java
+++ b/cms-plugin-framework/src/main/java/org/gcube/application/cms/plugins/implementations/SimpleLifeCycleManager.java
@@ -10,6 +10,7 @@ import org.gcube.application.cms.plugins.IndexerPluginInterface;
 import org.gcube.application.cms.plugins.LifecycleManager;
 import org.gcube.application.cms.plugins.MaterializationPlugin;
 import org.gcube.application.cms.plugins.faults.EventException;
+import org.gcube.application.cms.plugins.faults.IndexingException;
 import org.gcube.application.cms.plugins.faults.InvalidPluginRequestException;
 import org.gcube.application.cms.plugins.faults.MaterializationException;
 import org.gcube.application.cms.plugins.implementations.executions.GuardedStepExecution;
@@ -241,14 +242,21 @@ public class SimpleLifeCycleManager extends AbstractLifeCycleManager implements
         IndexDocumentRequest indexRequest = new IndexDocumentRequest(
                 request.getUseCaseDescriptor(),request.getCaller(), request.getContext(),request.getDocument());
 
-        indexRequest.setCallParameters(evaluateAdditionalIndexParameters(indexRequest));
-        IndexDocumentReport indexReport = indexer.index(indexRequest);
-
+        IndexDocumentReport indexReport = null;
+        try {
+            indexRequest.setCallParameters(evaluateAdditionalIndexParameters(indexRequest));
+            indexReport = indexer.index(indexRequest);
+        }catch (IndexingException e){
+            log.error("Unable to serve index request.",e);
+            indexReport = new IndexDocumentReport(indexRequest);
+            indexReport.setStatus(Report.Status.ERROR);
+            indexReport.getMessages().add("Unable to evaluate centroids : "+e.getMessage());
+        }
         return handleReport(indexReport,report);
 
     }
 
-    protected Document evaluateAdditionalIndexParameters(IndexDocumentRequest request) throws InvalidUserRoleException, RegistrationException, ProjectNotFoundException, ConfigurationException, UnauthorizedAccess {return request.getCallParameters();}
+    protected Document evaluateAdditionalIndexParameters(IndexDocumentRequest request) throws IndexingException {return request.getCallParameters();}
 
 
     protected <T extends DocumentHandlingReport> T materializeDocument(T report,MaterializationPlugin plugin,Document parameters) throws InvalidPluginRequestException, MaterializationException {
diff --git a/concessioni-lifecycle/src/main/java/org/gcube/application/cms/concessioni/plugins/ConcessioniLifeCycleManager.java b/concessioni-lifecycle/src/main/java/org/gcube/application/cms/concessioni/plugins/ConcessioniLifeCycleManager.java
index 66297ec..fa89fc2 100644
--- a/concessioni-lifecycle/src/main/java/org/gcube/application/cms/concessioni/plugins/ConcessioniLifeCycleManager.java
+++ b/concessioni-lifecycle/src/main/java/org/gcube/application/cms/concessioni/plugins/ConcessioniLifeCycleManager.java
@@ -12,6 +12,7 @@ import org.gcube.application.cms.implementations.faults.RegistrationException;
 import org.gcube.application.cms.implementations.faults.UnauthorizedAccess;
 import org.gcube.application.cms.plugins.IndexerPluginInterface;
 import org.gcube.application.cms.plugins.LifecycleManager;
+import org.gcube.application.cms.plugins.faults.IndexingException;
 import org.gcube.application.cms.plugins.implementations.Default3PhaseManager;
 import org.gcube.application.cms.plugins.reports.EventExecutionReport;
 import org.gcube.application.cms.plugins.reports.Report;
@@ -192,7 +193,7 @@ public class ConcessioniLifeCycleManager extends Default3PhaseManager implements
 
 
     @Override
-    protected Document evaluateAdditionalIndexParameters(IndexDocumentRequest request) throws InvalidUserRoleException, RegistrationException, ProjectNotFoundException, ConfigurationException, UnauthorizedAccess {
+    protected Document evaluateAdditionalIndexParameters(IndexDocumentRequest request) throws IndexingException {
         Document toReturn =  super.evaluateAdditionalIndexParameters(request);
         Project indexingProject = request.getDocument();
 
@@ -248,7 +249,7 @@ public class ConcessioniLifeCycleManager extends Default3PhaseManager implements
             return toReturn;
         } catch (Exception e) {
             log.error("Unable to evaluate to Hide and Display Ids ",e);
-            throw e;
+            throw new IndexingException("Unable to evaluate chain ids to hide / display",e);
         }
 
     }