Error but no clue what is the casue

[zaj]

Hi there,

I am developing an app which connects to the db and shows the data.i get this error. any clue what is the issue.

onModuleLoad() threw an exception

Exception while loading module com.kaizen.report.client.Report. See Development Mode for details.
java.lang.reflect.InvocationTargetException at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at com.google.gwt.dev.shell.ModuleSpace.onLoad(ModuleSpace.java:396) at com.google.gwt.dev.shell.OophmSessionHandler.loadModule(OophmSessionHandler.java:200) at com.google.gwt.dev.shell.BrowserChannelServer.processConnection(BrowserChannelServer.java:525) at com.google.gwt.dev.shell.BrowserChannelServer.run(BrowserChannelServer.java:363) at java.lang.Thread.run(Unknown Source) Caused by: com.google.gwt.core.client.JavaScriptException: (TypeError): window.SmartGWT.isNativeJavaObject is not a function at com.google.gwt.dev.shell.BrowserChannelServer.invokeJavascript(BrowserChannelServer.java:248) at com.google.gwt.dev.shell.ModuleSpaceOOPHM.doInvoke(ModuleSpaceOOPHM.java:136) at com.google.gwt.dev.shell.ModuleSpace.invokeNative(ModuleSpace.java:561) at com.google.gwt.dev.shell.ModuleSpace.invokeNativeVoid(ModuleSpace.java:289) at com.google.gwt.dev.shell.JavaScriptHost.invokeNativeVoid(JavaScriptHost.java:107) at com.smartgwt.client.widgets.BaseWidget.draw(BaseWidget.java) at com.kaizen.report.client.view.home.HomeViewImpl.initialization(HomeViewImpl.java:213) at com.kaizen.report.client.view.home.HomeViewImpl.(HomeViewImpl.java:35) at com.kaizen.report.client.globalobjects.GlobalObjects.getHomeViewImpl(GlobalObjects.java:18) at com.kaizen.report.client.ui.widget.ContextArea.(ContextArea.java:30) at com.kaizen.report.client.Report.onModuleLoad(Report.java:69) ... 9 more