Cryptic Error

[atomatom]

What is this error complaining about?

08:22:24.812 [ERROR] [app] 08:22:24.812:IBLR1:WARN:ComboBoxItem:isc_ComboBoxItem_0:1 vf/df:title,name

com.smartgwt.client.core.JsObject$SGWT_WARN: 08:22:24.812:IBLR1:WARN:ComboBoxItem:isc_ComboBoxItem_0:1 vf/df:title,name
    at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
    at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
    at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
    at java.lang.reflect.Constructor.newInstance(Constructor.java:513)
    at com.google.gwt.dev.shell.MethodAdaptor.invoke(MethodAdaptor.java:105)
    at com.google.gwt.dev.shell.MethodDispatch.invoke(MethodDispatch.java:71)
    at com.google.gwt.dev.shell.OophmSessionHandler.invoke(OophmSessionHandler.java:172)
    at com.google.gwt.dev.shell.BrowserChannelServer.reactToMessages(BrowserChannelServer.java:292)
    at com.google.gwt.dev.shell.BrowserChannelServer.processConnection(BrowserChannelServer.java:546)
    at com.google.gwt.dev.shell.BrowserChannelServer.run(BrowserChannelServer.java:363)
    at java.lang.Thread.run(Thread.java:662)

[Isomorphic]

This looks like a warning that can be safely ignored.
However - can you tell us whether you're seeing this on the latest SmartGWT nightly build? If so, if you can show us your code to reproduce we'll take a look.