ideCAD Simple problem when making stairs?

[gencideci]

When drawing a staircase with 1 landing with the route command in İdecad, I first draw the 1st staircase, then I enter the necessary commands with the route command to create the landing, and the landing appears in the zero code, that is, in the command where my staircase starts. I have to start over a few times to fix it. When you do it over and over, sometimes it comes out right. why is this so? And let's say I made the landing in a way, the second stair going up from the landing starts from the zero code, it looks like it goes back to the landing...