Bug 140620 Chart scripting errors are ignored
Write a chart with an invalid script, the execution simply ignores the script. This makes it difficult to debug scripting. The error message is also not precise and needs improvements.
chart/org.eclipse.birt.chart.ui.extension/src/org/eclipse/birt/chart/ui/swt/wizard/TaskSelectData.java
}
	private String getOrthogonalSeriesTitle( Chart chart )
	{
		if ( chart instanceof ChartWithAxes )
		{
			return Messages.getString( "TaskSelectData.Label.PlotAsValueYSeries" ); 
		}
		else if ( chart instanceof DialChart )
		{
			return Messages.getString( "TaskSelectData.Label.PlotAsGaugeValue" ); 
		}
		return Messages.getString( "TaskSelectData.Label.PlotAsValueSeries" ); 
	}
	private String getGroupSeriesTitle( Chart chart )
	{
		if ( chart instanceof ChartWithAxes )
		{
			return Messages.getString( "TaskSelectData.Label.UseToGroupYSeries" ); 
		}
		return Messages.getString( "TaskSelectData.Label.UseToGroupValueSeries" ); 
	}
	public void changeTask( Notification notification )
	{
		if ( previewPainter != null )
		{
			
			if ( notification.getNotifier( ) instanceof Query
					|| notification.getNotifier( ) instanceof Axis
					|| notification.getNotifier( ) instanceof SeriesDefinition )
			{