diff --git a/src/main/java/org/gcube/portlets/user/workspace/client/AppControllerExplorer.java b/src/main/java/org/gcube/portlets/user/workspace/client/AppControllerExplorer.java
index 0ac687a..df6db4d 100644
--- a/src/main/java/org/gcube/portlets/user/workspace/client/AppControllerExplorer.java
+++ b/src/main/java/org/gcube/portlets/user/workspace/client/AppControllerExplorer.java
@@ -268,13 +268,13 @@ public class AppControllerExplorer implements EventHandler, TreeAppControllerInt
 								});
 							}
 							else
-								Window.alert("Please, logout and login again then retry.");
+								Window.alert("Sorry, it is not possible to publish on the catalogue at the moment.");
 						}
 
 						@Override
 						public void onFailure(Throwable caught) {
 
-							Window.alert("Please, logout and login again then retry.");
+							Window.alert("Sorry, it is not possible to publish on the catalogue at the moment.");
 						}
 					});
 				}