Can stand on walls

Game mode: [Online | Singleplayer]
Problem: [Crash | Bug | Performance | Misc]
Region: [Here]

***if placed one then the other you can stand on the seem between where inner and outter sides of walls touch using them as kind of a ladder

[Free text]

Steps on how to reproduce issue: one wall the other wall but have the inner side face the other way
3.climb to the center of the wall may now stand and regain your stamina