Using arc pack out on new wall segment isn't correct width

I’m using the archi-pack add on for blender 2.93.6… and creating a new wall segment the new wall segment isn’t the same width is the first one.

Can you help with this?
Here is blender file
,thank you!

For any modifiers to work correctly, the object must have the scale parameter equal to 1 on all three axes. Always.
Select your wall and then Ctrl+A → Apply Scale