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.MarkerRangeImpl
		 * @see org.eclipse.birt.chart.model.component.impl.ComponentPackageImpl#getMarkerRange()
		 * @generated
		 */
		EClass MARKER_RANGE = eINSTANCE.getMarkerRange( );
		/**
		 * The meta object literal for the '<em><b>Outline</b></em>' containment reference feature.
		 * <!-- begin-user-doc -->
		 * <!-- end-user-doc -->
		 * @generated
		 */
		EReference MARKER_RANGE__OUTLINE = eINSTANCE.getMarkerRange_Outline( );
		/**
		 * The meta object literal for the '<em><b>Fill</b></em>' containment reference feature.
		 * <!-- begin-user-doc -->
		 * <!-- end-user-doc -->
		 * @generated
		 */
		EReference MARKER_RANGE__FILL = eINSTANCE.getMarkerRange_Fill( );
		/**
		 * The meta object literal for the '<em><b>Start Value</b></em>' containment reference feature.
		 * <!-- begin-user-doc -->
		 * <!-- end-user-doc -->
		 * @generated
		 */
		EReference MARKER_RANGE__START_VALUE = eINSTANCE.getMarkerRange_StartValue( );
		/**
		 * The meta object literal for the '<em><b>End Value</b></em>' containment reference feature.
		 * <!-- begin-user-doc -->
		 * <!-- end-user-doc -->