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
* @ordered
	 */
	int MARKER_RANGE_FEATURE_COUNT = 8;
	/**
	 * The feature id for the '<em><b>Outline</b></em>' containment reference.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 * @ordered
	 */
	int DIAL_REGION__OUTLINE = MARKER_RANGE__OUTLINE;
	/**
	 * The feature id for the '<em><b>Fill</b></em>' containment reference.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 * @ordered
	 */
	int DIAL_REGION__FILL = MARKER_RANGE__FILL;
	/**
	 * The feature id for the '<em><b>Start Value</b></em>' containment reference.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 * @ordered
	 */
	int DIAL_REGION__START_VALUE = MARKER_RANGE__START_VALUE;
	/**
	 * The feature id for the '<em><b>End Value</b></em>' containment reference.
	 * <!-- begin-user-doc -->