Please try to post in the correct section of the forum.
I have moved this topic.
Do the wall reference lines touch?
Is the layer intersection priority number (in the layer settings) zero by any chance?
Walls will not join if it is zero.
Otherwise can you show an image?
Barry.
One of the forum moderators.
Versions 6.5 to 27
Dell XPS- i7-6700 @ 3.4Ghz, 16GB ram, GeForce GTX 960 (2GB), Windows 10
Lenovo Thinkpad - i7-1270P 2.20 GHz, 32GB RAM, Nvidia T550, Windows 11