Operating system: Windows 7 64-bit 6.1.7601
Graphics card: Nvidia Geforce GTX 780
version: 2.80 (sub 74), branch: master, commit date: 2019-07-22 11:13, hash: 02c5c091dfd6, type: Release
build date: 22/07/2019, 06:13
Broken: Traceback error .
Worked: Previously, this didn't happen.
When drawing a Wall from the Create Menu with a Wall selected already, the error occurs