diff --git a/src/main/java/org/gcube/portlets/user/workspace/server/GWTWorkspaceServiceImpl.java b/src/main/java/org/gcube/portlets/user/workspace/server/GWTWorkspaceServiceImpl.java
index 17bf5cf..42c43a7 100644
--- a/src/main/java/org/gcube/portlets/user/workspace/server/GWTWorkspaceServiceImpl.java
+++ b/src/main/java/org/gcube/portlets/user/workspace/server/GWTWorkspaceServiceImpl.java
@@ -4085,6 +4085,10 @@ public class GWTWorkspaceServiceImpl extends RemoteServiceServlet implements GWT
 
 			if (e instanceof FileNotVersionedException)
 				throw new Exception(e.getMessage());
+
+			if(e instanceof InsufficientPrivilegesException)
+				throw new Exception(e.getMessage());
+
 			workspaceLogger.error("Error in server during perform operation on versioning on file id: "+fileId, e);
 			String error = ConstantsExplorer.SERVER_ERROR +" updating versioning of file id: "+fileId;
 			throw new Exception(error);