diff --git a/excel-importer/src/com/axonivy/util/excel/importer/wizard/ExcelImportProcessor.java b/excel-importer/src/com/axonivy/util/excel/importer/wizard/ExcelImportProcessor.java
index 05ff0bf..747ff4d 100644
--- a/excel-importer/src/com/axonivy/util/excel/importer/wizard/ExcelImportProcessor.java
+++ b/excel-importer/src/com/axonivy/util/excel/importer/wizard/ExcelImportProcessor.java
@@ -41,11 +41,14 @@
 import ch.ivyteam.ivy.scripting.dataclass.IEntityClass;
 import ch.ivyteam.ivy.scripting.dataclass.IProjectDataClassManager;
 import ch.ivyteam.ivy.search.restricted.ProjectRelationSearchScope;
+import ch.ivyteam.log.Logger;
 import ch.ivyteam.util.io.resource.FileResource;
 import ch.ivyteam.util.io.resource.nio.NioFileSystemProvider;
 
 public class ExcelImportProcessor implements IWizardSupport, IRunnableWithProgress {
 
+  private static final Logger LOGGER = Logger.getLogger(ExcelImportProcessor.class);
+
   private IIvyProject selectedSourceProject;
   private FileResource importFile;
   private IStatus status = Status.OK_STATUS;
@@ -122,6 +125,7 @@ private void importExcel(IProjectDataClassManager manager, FileResource excel, I
       var entries = importData(sheet, newEntity, pmv);
       loaded =  entries.size();
     } catch (Exception ex) {
+      LOGGER.error("Excel data import failed", ex);
       status = EclipseUtil.createErrorStatus("Loading of Excel data failed", ex);
     }
     monitor.setTaskName("Loaded Excel rows into Database "+loaded);
diff --git a/excel-importer/src/com/axonivy/util/excel/importer/wizard/ExcelImportWizardPage.java b/excel-importer/src/com/axonivy/util/excel/importer/wizard/ExcelImportWizardPage.java
index d33d0cb..ad3d042 100644
--- a/excel-importer/src/com/axonivy/util/excel/importer/wizard/ExcelImportWizardPage.java
+++ b/excel-importer/src/com/axonivy/util/excel/importer/wizard/ExcelImportWizardPage.java
@@ -2,6 +2,7 @@
 
 import java.io.File;
 import java.lang.reflect.InvocationTargetException;
+import java.util.LinkedList;
 import java.util.List;
 import java.util.stream.Stream;
 
@@ -90,7 +91,7 @@ protected void handleInputChanged() {
   }
 
   private void saveDialogSettings() {
-    List<String> destinations = getImportHistory();
+    List<String> destinations = new LinkedList<>(getImportHistory());
     String path = state.file.getSelection();
     String lowerCasePath = path.toLowerCase();
     if (destinations.contains(path)) {