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
* <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @return the meta object for the attribute '<em>Step</em>'.
	 * @see org.eclipse.birt.chart.model.component.Scale#getStep()
	 * @see #getScale()
	 * @generated
	 */
	EAttribute getScale_Step( );
	/**
	 * Returns the meta object for the attribute '{@link org.eclipse.birt.chart.model.component.Scale#getUnit <em>Unit</em>}'.
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @return the meta object for the attribute '<em>Unit</em>'.
	 * @see org.eclipse.birt.chart.model.component.Scale#getUnit()
	 * @see #getScale()
	 * @generated
	 */
	EAttribute getScale_Unit( );
	/**
	 * Returns the meta object for the attribute '{@link org.eclipse.birt.chart.model.component.Scale#getMinorGridsPerUnit <em>Minor Grids Per Unit</em>}'.
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @return the meta object for the attribute '<em>Minor Grids Per Unit</em>'.
	 * @see org.eclipse.birt.chart.model.component.Scale#getMinorGridsPerUnit()
	 * @see #getScale()
	 * @generated
	 */
	EAttribute getScale_MinorGridsPerUnit( );
	/**
	 * Returns the meta object for class '{@link org.eclipse.birt.chart.model.component.Series <em>Series</em>}'.
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @return the meta object for class '<em>Series</em>'.
	 * @see org.eclipse.birt.chart.model.component.Series