[Testlive] NPCs going under terrain at Scoundrel's Gateway

Game mode: [Online | Singleplayer]
Problem: [Bug]
Region: TeleportPlayer 64901.246094 117911.546875 -5390.43457

Get an NPC to follow you on top of the ledge at coordinates at Scoundrel’s Gateway, Character will walk on top of the terrain as normal but NPCs will go underneath as if it’s not there.