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
* @generated
	 */
	EAttribute getSeriesGrouping_AggregateExpression( );
	/**
	 * Returns the meta object for class '{@link org.eclipse.birt.chart.model.data.StockDataSet <em>Stock Data Set</em>}'.
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @return the meta object for class '<em>Stock Data Set</em>'.
	 * @see org.eclipse.birt.chart.model.data.StockDataSet
	 * @generated
	 */
	EClass getStockDataSet( );
	/**
	 * Returns the meta object for class '{@link org.eclipse.birt.chart.model.data.TextDataSet <em>Text Data Set</em>}'.
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @return the meta object for class '<em>Text Data Set</em>'.
	 * @see org.eclipse.birt.chart.model.data.TextDataSet
	 * @generated
	 */
	EClass getTextDataSet( );
	/**
	 * Returns the meta object for class '{@link org.eclipse.birt.chart.model.data.Trigger <em>Trigger</em>}'.
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @return the meta object for class '<em>Trigger</em>'.
	 * @see org.eclipse.birt.chart.model.data.Trigger
	 * @generated
	 */
	EClass getTrigger( );
	/**
	 * Returns the meta object for the attribute '{@link org.eclipse.birt.chart.model.data.Trigger#getCondition <em>Condition</em>}'.
	 * <!-- begin-user-doc --> <!-- end-user-doc -->