Bug 204224 [Regression][Compatibility] Exception is thrown out when open the attached report design made on build 2.0.0 [0901]
chart/org.eclipse.birt.chart.reportitem/src/org/eclipse/birt/chart/reportitem/ChartReportItemImpl.java
logger.log( ILogger.WARNING,
					Messages.getString( "ChartReportItemImpl.log.RequestForScriptPropertyDefn" ) ); 
			return null;
		}
		return new ChartPropertyDefinitionImpl( null,
				"script", "property.script", false, 
				IPropertyType.STRING_TYPE,
				null,
				null,
				null );
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.birt.report.model.extension.IElement#getPropertyDefinitions()
	 */
	public IPropertyDefinition[] getPropertyDefinitions( )
	{
		if ( cm == null )
		{
			logger.log( ILogger.WARNING,
					Messages.getString( "ChartReportItemImpl.log.RequestForPropertyDefn" ) ); 
			return null;
		}
		return new IPropertyDefinition[]{
				new ChartPropertyDefinitionImpl( null,
						"title.value", "property.label.title.value", false, 
						IPropertyType.STRING_TYPE,
						null,
						null,