Problem with creating a label map

[whirl]

Hello
I want to train my skills in the slicer, so I decide to complete some available tutorials. I’m making this one:
https://www.na-mic.org/wiki/IGT:ToolKit/Prostate-Planning#Tutorial_Materials

Unfortunately, I get stuck on creating a label map on the T2 image. When I try to draw the prostate outline, it does not display in the screen. I use Slicer 4.11

Screenshot:

The part of the tutorial where I get stuck:

[manjula (Manjula Herath)]

use the segment editor module instead of the editor module which i think is depreciated now.