Room dividing issues

I have a E30 Pro and my home has a fairly open floor plan, the only door is one to the bathroom. I'd like to separate the rooms so I can have some schedules that target specific rooms instead of the entire floor. When I go and edit the map and try to divide the room I'm getting an error saying the end of the division line is not in the boundary of the division zone. I've tried manipulating the line so it's within the room but it still fails.
Any recommendations?

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Hello,

As you can see from the image, the segmentation failed because the dividing line was too short.

You can press and hold the two ends of the red dividing line and stretch it. Once the dotted lines within its area become solid lines, you can proceed with the segmentation.

I repositioned the line to where it is solid, but still get that error

Hello,

this may be caused by multiple intersection points between the dividing line and the map boundary, which can lead to a zone division failure.

Could you please try redefining the area by drawing the dividing line along the green line shown in the image below?

Still getting the error

The right side of the dividing line is correct and has become a solid line, but there are some issues on the left side.

I extend the markers further but still get the error