public void showCoffeeSaintProblem(Exception e, Graphics g, int windowWidth, int rowHeight) {
		CoffeeSaint.log.add("Graphics: " + g);

		/* block in upper right to inform about error */
		g.setColor(Color.RED);
		g.fillRect(windowWidth - rowHeight, 0, rowHeight, rowHeight);
		String error = e.toString().replaceAll("java.[a-z]*.", "");
		prepareRow(g, windowWidth, 0, "Error: " + error, config.getNRows() - 1, "2", true, Color.GRAY, 1.0f, null, true, false, true, -1);
	}