diff --git a/datastore_server/source/java/ch/systemsx/cisd/openbis/dss/generic/server/plugins/standard/AggregationService.java b/datastore_server/source/java/ch/systemsx/cisd/openbis/dss/generic/server/plugins/standard/AggregationService.java
index 6a4a115ccfe85ddb4e9e4b1b5a0229571aecbf25..44f2b59cc6a79917aebb75019bdac6ae97216acd 100644
--- a/datastore_server/source/java/ch/systemsx/cisd/openbis/dss/generic/server/plugins/standard/AggregationService.java
+++ b/datastore_server/source/java/ch/systemsx/cisd/openbis/dss/generic/server/plugins/standard/AggregationService.java
@@ -18,14 +18,19 @@ package ch.systemsx.cisd.openbis.dss.generic.server.plugins.standard;
 
 import java.io.File;
 import java.util.List;
+import java.util.Map;
 import java.util.Properties;
 
+import org.apache.commons.lang3.StringUtils;
+
 import ch.systemsx.cisd.openbis.dss.generic.server.plugins.tasks.IReportingPluginTask;
 import ch.systemsx.cisd.openbis.dss.generic.shared.DataSetProcessingContext;
 import ch.systemsx.cisd.openbis.generic.shared.basic.dto.LinkModel;
 import ch.systemsx.cisd.openbis.generic.shared.basic.dto.ReportingPluginType;
 import ch.systemsx.cisd.openbis.generic.shared.basic.dto.TableModel;
 import ch.systemsx.cisd.openbis.generic.shared.dto.DatasetDescription;
+import ch.systemsx.cisd.openbis.generic.shared.util.IRowBuilder;
+import ch.systemsx.cisd.openbis.generic.shared.util.SimpleTableModelBuilder;
 
 /**
  * The abstract superclass for plug-ins of type DSS_LINK.
@@ -72,4 +77,29 @@ public abstract class AggregationService extends AbstractDatastorePlugin impleme
                 + getReportingPluginType() + " tasks");
     }
 
+    protected void logInvocationError(Map<String, Object> parameters, Throwable e)
+    {
+        StringBuilder sb = new StringBuilder();
+        sb.append("Error producing aggregation report\n");
+        sb.append("Class: ");
+        sb.append(getClass().getName());
+        sb.append("\n");
+        sb.append("Parameters: ");
+        sb.append(parameters.keySet());
+
+        operationLog.error(sb.toString(), e);
+    }
+
+    protected TableModel errorTableModel(Map<String, Object> parameters, Throwable e)
+    {
+        SimpleTableModelBuilder builder = new SimpleTableModelBuilder(true);
+        builder.addHeader("Parameters");
+        builder.addHeader("Error");
+        IRowBuilder row = builder.addRow();
+        row.setCell("Parameters", parameters.toString());
+        String message = e.getMessage();
+        row.setCell("Error", StringUtils.isBlank(message) ? e.toString() : message);
+        return builder.getTableModel();
+    }
+
 }
diff --git a/datastore_server/source/java/ch/systemsx/cisd/openbis/dss/generic/server/plugins/standard/IngestionService.java b/datastore_server/source/java/ch/systemsx/cisd/openbis/dss/generic/server/plugins/standard/IngestionService.java
index 302a4dbb491de1c3c5622d8cfe2e5d2e276d41de..86e33d2ceed4067e126ad4b7602c79c5060a8cd9 100644
--- a/datastore_server/source/java/ch/systemsx/cisd/openbis/dss/generic/server/plugins/standard/IngestionService.java
+++ b/datastore_server/source/java/ch/systemsx/cisd/openbis/dss/generic/server/plugins/standard/IngestionService.java
@@ -24,8 +24,6 @@ import java.util.Map;
 import java.util.Properties;
 import java.util.concurrent.locks.ReentrantLock;
 
-import org.apache.commons.lang3.StringUtils;
-
 import ch.systemsx.cisd.base.exceptions.CheckedExceptionTunnel;
 import ch.systemsx.cisd.common.action.AbstractDelegatedActionWithResult;
 import ch.systemsx.cisd.common.action.IDelegatedActionWithResult;
@@ -66,8 +64,6 @@ import ch.systemsx.cisd.openbis.dss.generic.shared.ServiceProvider;
 import ch.systemsx.cisd.openbis.dss.generic.shared.dto.DataSetInformation;
 import ch.systemsx.cisd.openbis.dss.generic.shared.utils.DssPropertyParametersUtil;
 import ch.systemsx.cisd.openbis.generic.shared.basic.dto.TableModel;
-import ch.systemsx.cisd.openbis.generic.shared.util.IRowBuilder;
-import ch.systemsx.cisd.openbis.generic.shared.util.SimpleTableModelBuilder;
 
 /**
  * @author Chandrasekhar Ramakrishnan
@@ -413,31 +409,6 @@ public abstract class IngestionService<T extends DataSetInformation> extends Agg
         return false;
     }
 
-    protected TableModel errorTableModel(Map<String, Object> parameters, Throwable e)
-    {
-        SimpleTableModelBuilder builder = new SimpleTableModelBuilder(true);
-        builder.addHeader("Parameters");
-        builder.addHeader("Error");
-        IRowBuilder row = builder.addRow();
-        row.setCell("Parameters", parameters.toString());
-        String message = e.getMessage();
-        row.setCell("Error", StringUtils.isBlank(message) ? e.toString() : message);
-        return builder.getTableModel();
-    }
-
-    protected void logInvocationError(Map<String, Object> parameters, Throwable e)
-    {
-        StringBuilder sb = new StringBuilder();
-        sb.append("Error producing aggregation report\n");
-        sb.append("Class: ");
-        sb.append(getClass().getName());
-        sb.append("\n");
-        sb.append("Parameters: ");
-        sb.append(parameters.keySet());
-
-        operationLog.error(sb.toString(), e);
-    }
-
     /**
      * Callback when a transaction is rolledback. Subclasses may override.
      */