Bug 188027 PasteAction is diabled
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/core/ContainerContext.java
{
				errors.add( e );
				return errors;
			}
			
			
			
			if ( focus.getElement( ).isVirtualElement( )
					|| focus.getElement( ).getExtendsName( ) != null )
			{
				errors.add( e );
				return errors;
			}
			
			ContainerContext containerInfor = focus;
			
			while ( containerInfor != null )
			{
				DesignElement container = containerInfor.getElement( );
				if ( container == element )
				{
					errors.add( e );
					return errors;
				}
				if ( container instanceof ListingElement
						|| container instanceof Theme
						|| container instanceof MasterPage )
				{
					errors = container.checkContent( module, this.focus,
							element );