At a guess I would say that the layer your window (wall) is in has been turned off.
Barry.
One of the forum moderators. Versions 6.5 to 27 i7-10700 @ 2.9Ghz, 32GB ram, GeForce RTX 2060 (6GB), Windows 10 Lenovo Thinkpad - i7-1270P 2.20 GHz, 32GB RAM, Nvidia T550, Windows 11
At a guess I would say that the layer your window (wall) is in has been turned off.
Barry.
One of the forum moderators. Versions 6.5 to 27 i7-10700 @ 2.9Ghz, 32GB ram, GeForce RTX 2060 (6GB), Windows 10 Lenovo Thinkpad - i7-1270P 2.20 GHz, 32GB RAM, Nvidia T550, Windows 11
If you are using a View Map version of the Schedule rather than the Project Map, you can assign a layer combo to the View Settings that has the relevant layers already unlocked.
Apple iMac Intel i9 / macOS Sonoma / AC27UKI (most recent builds.. if they work)