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/data/DataPackage.java
* @return the meta object for the containment reference '<em>Grouping Origin</em>'.
	 * @see org.eclipse.birt.chart.model.data.SeriesGrouping#getGroupingOrigin()
	 * @see #getSeriesGrouping()
	 * @generated
	 */
	EReference getSeriesGrouping_GroupingOrigin( );
	/**
	 * Returns the meta object for the attribute '{@link org.eclipse.birt.chart.model.data.SeriesGrouping#getGroupingInterval <em>Grouping Interval</em>}'.
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @return the meta object for the attribute '<em>Grouping Interval</em>'.
	 * @see org.eclipse.birt.chart.model.data.SeriesGrouping#getGroupingInterval()
	 * @see #getSeriesGrouping()
	 * @generated
	 */
	EAttribute getSeriesGrouping_GroupingInterval( );
	/**
	 * Returns the meta object for the attribute '{@link org.eclipse.birt.chart.model.data.SeriesGrouping#getGroupType <em>Group Type</em>}'.
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @return the meta object for the attribute '<em>Group Type</em>'.
	 * @see org.eclipse.birt.chart.model.data.SeriesGrouping#getGroupType()
	 * @see #getSeriesGrouping()
	 * @generated
	 */
	EAttribute getSeriesGrouping_GroupType( );
	/**
	 * Returns the meta object for the attribute '{@link org.eclipse.birt.chart.model.data.SeriesGrouping#getAggregateExpression <em>Aggregate Expression</em>}'.
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @return the meta object for the attribute '<em>Aggregate Expression</em>'.
	 * @see org.eclipse.birt.chart.model.data.SeriesGrouping#getAggregateExpression()
	 * @see #getSeriesGrouping()