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/component/ComponentPackage.java
* The feature id for the '<em><b>Unit</b></em>' attribute. <!--
	 * begin-user-doc --> <!-- end-user-doc -->
	 * 
	 * @generated
	 * @ordered
	 */
	int SCALE__UNIT = 3;
	/**
	 * The feature id for the '<em><b>Minor Grids Per Unit</b></em>' attribute.
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @generated
	 * @ordered
	 */
	int SCALE__MINOR_GRIDS_PER_UNIT = 4;
	/**
	 * The number of structural features of the '<em>Scale</em>' class.
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @generated
	 * @ordered
	 */
	int SCALE_FEATURE_COUNT = 5;
	/**
	 * The meta object id for the '{@link org.eclipse.birt.chart.model.component.impl.SeriesImpl <em>Series</em>}' class.
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @see org.eclipse.birt.chart.model.component.impl.SeriesImpl
	 * @see org.eclipse.birt.chart.model.component.impl.ComponentPackageImpl#getSeries()
	 * @generated
	 */
	int SERIES = 11;
	/**