Error in activating attribute view

Dear all,

I'm trying to save/activate an attribute view in HANA Studio. I have got the following error.

could anyone help? thanks in advance.

HANA Studio release: Version: 1.80.3

[This product includes software licensed under the following license terms:

Apache License, Version 2.0 http://www.apache.org/licenses/LICENSE-2.0

Eclipse Public License - v 1.0 http://www.eclipse.org/org/documents/epl-v10.php]

Error text (in .metadata/.log)

!ENTRY org.eclipse.ui 4 4 2014-09-15 10:37:47.070

!MESSAGE Conflicting handlers for org.eclipse.ui.edit.delete: {com.sap.ndb.studio.admin.systemtables.SystemTablesElementHandlerDelete@6b4e9070} vs {com.sap.adt.businessobject.ui.internal.handlers.DeleteHandler}

Job log:

I think most likely the issue is about ABAP Name check, but difficult to find out the reason.

Andrew