diff --git a/src/main/java/fr/inra/po2vocabmanager/utils/DataTreeCell.java b/src/main/java/fr/inra/po2vocabmanager/utils/DataTreeCell.java
index 6ea084e7b75edf4fa486ff5e7e93d1e654e3e5e8..7f93baf9d9ad94cb154a1f2a8e08d56d3d02e0c4 100644
--- a/src/main/java/fr/inra/po2vocabmanager/utils/DataTreeCell.java
+++ b/src/main/java/fr/inra/po2vocabmanager/utils/DataTreeCell.java
@@ -1448,9 +1448,9 @@ public class DataTreeCell extends TextFieldTreeCell<DataNode> {
         if(importReport.success()) {
             StepFile step = iti.importStepFromXLSX(fileImport);
             handleInterfaceUpdate(step, importReport.success(), importReport.toString());
+        } else {
+            showErrorImportAlert(importReport.toString());
         }
-
-
     }
 
         private static void stepImport(StepFile file, boolean isNewStep) {