diff --git a/plugins/TestingList.java b/plugins/TestingList.java
index abc7992..b75238a 100644
--- a/plugins/TestingList.java
+++ b/plugins/TestingList.java
@@ -24,6 +24,7 @@ import java.io.IOException;
 import java.io.InputStream;
 import java.io.ObjectInputStream;
 import java.io.ObjectOutputStream;
+import java.lang.reflect.InvocationTargetException;
 import java.nio.file.Path;
 import java.nio.file.Paths;
 import java.util.ArrayList;
@@ -657,41 +658,68 @@ public class TestingList extends Panel {
      *
      * @throws exception
      */
-    private void openListEditor() throws Exception {
-        //pick details from the clicked row
-/*        int row = jTable1.getSelectedRow();
-        String sDeviceName = jTable1.getValueAt(row, COL.DEVICENAME.ordinal()).toString();
-        String sTestName = jTable1.getValueAt(row, COL.TESTNAME.ordinal()).toString();
-        String sTestPath = String.valueOf(jTable1.getValueAt(row, COL.TESTPATH.ordinal()));
-        String sTestCaseName = jTable1.getValueAt(row, COL.TESTSUITE.ordinal()).toString();
-        String sTestDescription = jTable1.getValueAt(row, COL.TESTDESCR.ordinal()).toString();
-        String sDeviceDescription = jTable1.getValueAt(row, COL.DEVICEDESCR.ordinal()).toString();
-        String sLastResult = jTable1.getValueAt(row, COL.RESULT.ordinal()).toString();
-        String sResultTime = jTable1.getValueAt(row, COL.TIME.ordinal()).toString();
-        String sTestHelp = String.valueOf(jTable1.getValueAt(row, COL.TESTHELP.ordinal()));
-        HashMap mParameters = getTestParameters(sTestPath);
-        //create map for passing details to Details Panel
-        HashMap details = new HashMap();
-        details.put("deviceName", sDeviceName);
-        details.put("deviceDescription", sDeviceDescription);
-        details.put("testDescription", sTestDescription);
-        details.put("testSuite", sTestCaseName);
-        details.put("testName", sTestName);
-        details.put("testResult", sLastResult);
-        details.put("time", sResultTime);
-        details.put("parameters", mParameters);
-        details.put("testHelp", sTestHelp);
-        details.put("testPath", sTestPath);
-*/        //open details panel
-        JDialog dlg = new JDialog(getView(), "Add/remove tests", true);
-        //create a class to visualise the details panel
-        Class editTestingListClass = getController().getClassByName("EditTestingList");
-        JPanel detailsPanel = (JPanel) editTestingListClass.getConstructor(new Class[]{TableModel.class}).newInstance(jTable1.getModel());
-
-        dlg.getContentPane().add(detailsPanel);
-        //dlg.add(new TestingListDetails());
-        dlg.pack();
-        dlg.setVisible(true);
+    private void openListEditor()  {
+        try {
+            //pick details from the clicked row
+            /*        int row = jTable1.getSelectedRow();
+            String sDeviceName = jTable1.getValueAt(row, COL.DEVICENAME.ordinal()).toString();
+            String sTestName = jTable1.getValueAt(row, COL.TESTNAME.ordinal()).toString();
+            String sTestPath = String.valueOf(jTable1.getValueAt(row, COL.TESTPATH.ordinal()));
+            String sTestCaseName = jTable1.getValueAt(row, COL.TESTSUITE.ordinal()).toString();
+            String sTestDescription = jTable1.getValueAt(row, COL.TESTDESCR.ordinal()).toString();
+            String sDeviceDescription = jTable1.getValueAt(row, COL.DEVICEDESCR.ordinal()).toString();
+            String sLastResult = jTable1.getValueAt(row, COL.RESULT.ordinal()).toString();
+            String sResultTime = jTable1.getValueAt(row, COL.TIME.ordinal()).toString();
+            String sTestHelp = String.valueOf(jTable1.getValueAt(row, COL.TESTHELP.ordinal()));
+            HashMap mParameters = getTestParameters(sTestPath);
+            //create map for passing details to Details Panel
+            HashMap details = new HashMap();
+            details.put("deviceName", sDeviceName);
+            details.put("deviceDescription", sDeviceDescription);
+            details.put("testDescription", sTestDescription);
+            details.put("testSuite", sTestCaseName);
+            details.put("testName", sTestName);
+            details.put("testResult", sLastResult);
+            details.put("time", sResultTime);
+            details.put("parameters", mParameters);
+            details.put("testHelp", sTestHelp);
+            details.put("testPath", sTestPath);
+            */        //open details panel
+            JDialog dlg = new JDialog(getView(), "Add/remove tests", true);
+            //create a class to visualise the details panel
+            Class editTestingListClass = null;
+            try {
+                editTestingListClass = getController().getClassByName("EditTestingList");
+            } catch (ClassNotFoundException ex) {
+                Logger.getLogger(TestingList.class.getName()).log(Level.SEVERE, null, ex);
+            }
+            if(editTestingListClass== null){
+                Logger.getLogger(TestingList.class.getName()).log(Level.SEVERE, null, "Cannot initialise list of tests");
+            }
+            JPanel detailsPanel = null;
+            try {
+                detailsPanel = (JPanel) editTestingListClass.getConstructor(new Class[]{TableModel.class}).newInstance(jTable1.getModel());
+            } catch (InstantiationException ex) {
+                Logger.getLogger(TestingList.class.getName()).log(Level.SEVERE, null, ex);
+            } catch (IllegalAccessException ex) {
+                Logger.getLogger(TestingList.class.getName()).log(Level.SEVERE, null, ex);
+            } catch (IllegalArgumentException ex) {
+                Logger.getLogger(TestingList.class.getName()).log(Level.SEVERE, null, ex);
+            } catch (InvocationTargetException ex) {
+                Logger.getLogger(TestingList.class.getName()).log(Level.SEVERE, null, ex);
+            }
+            if(detailsPanel ==null){
+                Logger.getLogger(TestingList.class.getName()).log(Level.SEVERE, null, "Cannot initialise panel");
+            }
+            dlg.getContentPane().add(detailsPanel);
+            //dlg.add(new TestingListDetails());
+            dlg.pack();
+            dlg.setVisible(true);
+        } catch (NoSuchMethodException ex) {
+            Logger.getLogger(TestingList.class.getName()).log(Level.SEVERE, null, ex);
+        } catch (SecurityException ex) {
+            Logger.getLogger(TestingList.class.getName()).log(Level.SEVERE, null, ex);
+        }
     }
 
     /**