As far as I understand, this issue is very old and might have been present since the game's release. It is most likely caused by a gap between brushes in the map's geometry.
Game version
Protocol version 48
Exe version 1.1.2.2/Stdio (valve)
Exe build: 19:06:31 Oct 7 2024 (10210)
Issue
https://github.com/user-attachments/assets/4ae0ea88-18f6-4af0-bd91-26cde5d90a0b
As far as I understand, this issue is very old and might have been present since the game's release. It is most likely caused by a gap between brushes in the map's geometry.
Game version
Protocol version 48 Exe version 1.1.2.2/Stdio (valve) Exe build: 19:06:31 Oct 7 2024 (10210)