Bug 214082 [Automation][Regression] Exception is thrown out when preview the attached report design in Web Viewer [00]
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/internal/document/v4/ListGroupExecutor.java
package org.eclipse.birt.report.engine.internal.document.v4;
public class ListGroupExecutor extends GroupExecutor
{
	protected ListGroupExecutor( ExecutorManager manager )
	{
		super( manager, ExecutorManager.LISTGROUPITEM );
	}
}