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
* @see org.eclipse.birt.chart.model.component.impl.LabelImpl
	 * @see org.eclipse.birt.chart.model.component.impl.ComponentPackageImpl#getLabel()
	 * @generated
	 */
	int LABEL = 6;
	/**
	 * The meta object id for the '{@link org.eclipse.birt.chart.model.component.impl.GridImpl <em>Grid</em>}' class.
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @see org.eclipse.birt.chart.model.component.impl.GridImpl
	 * @see org.eclipse.birt.chart.model.component.impl.ComponentPackageImpl#getGrid()
	 * @generated
	 */
	int GRID = 5;
	/**
	 * The meta object id for the '{@link org.eclipse.birt.chart.model.component.impl.MarkerLineImpl <em>Marker Line</em>}' class.
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @see org.eclipse.birt.chart.model.component.impl.MarkerLineImpl
	 * @see org.eclipse.birt.chart.model.component.impl.ComponentPackageImpl#getMarkerLine()
	 * @generated
	 */
	int MARKER_LINE = 7;
	/**
	 * The meta object id for the '{@link org.eclipse.birt.chart.model.component.impl.MarkerRangeImpl <em>Marker Range</em>}' class.
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @see org.eclipse.birt.chart.model.component.impl.MarkerRangeImpl
	 * @see org.eclipse.birt.chart.model.component.impl.ComponentPackageImpl#getMarkerRange()
	 * @generated
	 */
	int MARKER_RANGE = 8;
	/**