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.engine/src/org/eclipse/birt/chart/model/data/DataPackage.java
*/
		EAttribute SERIES_GROUPING__GROUP_TYPE = eINSTANCE.getSeriesGrouping_GroupType( );
		/**
		 * The meta object literal for the '<em><b>Aggregate Expression</b></em>' attribute feature.
		 * <!-- begin-user-doc -->
		 * <!-- end-user-doc -->
		 * @generated
		 */
		EAttribute SERIES_GROUPING__AGGREGATE_EXPRESSION = eINSTANCE.getSeriesGrouping_AggregateExpression( );
		/**
		 * The meta object literal for the '{@link org.eclipse.birt.chart.model.data.impl.StockDataSetImpl <em>Stock Data Set</em>}' class.
		 * <!-- begin-user-doc -->
		 * <!-- end-user-doc -->
		 * @see org.eclipse.birt.chart.model.data.impl.StockDataSetImpl
		 * @see org.eclipse.birt.chart.model.data.impl.DataPackageImpl#getStockDataSet()
		 * @generated
		 */
		EClass STOCK_DATA_SET = eINSTANCE.getStockDataSet( );
		/**
		 * The meta object literal for the '{@link org.eclipse.birt.chart.model.data.impl.TextDataSetImpl <em>Text Data Set</em>}' class.
		 * <!-- begin-user-doc -->
		 * <!-- end-user-doc -->
		 * @see org.eclipse.birt.chart.model.data.impl.TextDataSetImpl
		 * @see org.eclipse.birt.chart.model.data.impl.DataPackageImpl#getTextDataSet()
		 * @generated
		 */
		EClass TEXT_DATA_SET = eINSTANCE.getTextDataSet( );
		/**
		 * The meta object literal for the '{@link org.eclipse.birt.chart.model.data.impl.TriggerImpl <em>Trigger</em>}' class.
		 * <!-- begin-user-doc -->