Bug 194843 Cross tab Cube - Cannot delete a dimension using the cube builder
- Open the attached report design - Delete the "Region" group. Current behavior - Does now allow me to delete the group.
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/command/ContentCommand.java
throws ContentException
	{
		assert content != null;
		super.checkBeforeMovePosition( content, newPosn );
		
		
		if ( content.isVirtualElement( ) )
			throw ContentExceptionFactory
					.createContentException(
							focus,
							content,
							ContentException.DESIGN_EXCEPTION_STRUCTURE_CHANGE_FORBIDDEN );
		if ( !canMovePosition( content, newPosn ) )
			throw ContentExceptionFactory.createContentException( focus,
					ContentException.DESIGN_EXCEPTION_MOVE_FORBIDDEN );
	}
	/**
	 * Returns false if the content has ancestor behind the new position or has
	 * children before the new position.
	 * 
	 * @param content
	 *            the element to move position
	 * @param newPosn
	 *            the new position within the slot.
	 * @return true if the content can be moved within the slot, otherwise
	 *         false.
	 */
	private boolean canMovePosition( DesignElement content, int newPosn )
	{
		if ( element instanceof ReportDesign