diff --git a/src/main/java/org/gcube/portlets/user/td/tablewidget/client/history/HistoryDiscard.java b/src/main/java/org/gcube/portlets/user/td/tablewidget/client/history/HistoryDiscard.java
index 1633d73..2313baf 100644
--- a/src/main/java/org/gcube/portlets/user/td/tablewidget/client/history/HistoryDiscard.java
+++ b/src/main/java/org/gcube/portlets/user/td/tablewidget/client/history/HistoryDiscard.java
@@ -61,7 +61,7 @@ public class HistoryDiscard {
 							Log.error("Error in discard: "
 									+ caught.getLocalizedMessage());
 							UtilsGXT3.alert("Error in discard",
-									"Error in discard");
+									"Error: "+caught.getLocalizedMessage());
 						}
 					}
 
diff --git a/src/main/java/org/gcube/portlets/user/td/tablewidget/client/history/HistoryPanel.java b/src/main/java/org/gcube/portlets/user/td/tablewidget/client/history/HistoryPanel.java
index 7cff7e1..179974d 100644
--- a/src/main/java/org/gcube/portlets/user/td/tablewidget/client/history/HistoryPanel.java
+++ b/src/main/java/org/gcube/portlets/user/td/tablewidget/client/history/HistoryPanel.java
@@ -239,7 +239,7 @@ public class HistoryPanel extends FramedPanel {
 							Log.error("Error in rollback: "
 									+ caught.getLocalizedMessage());
 							UtilsGXT3.alert("Error in rollback",
-									"Error in rollback");
+									"Error: "+caught.getLocalizedMessage());
 						}
 					}