Weird barrier glitch

Time: 18:30 (GMT +1)
Frequency: continuously
World name: Odin (but not world-bound)
Character name: Telrunya Cirdan
NPC name: N/A
Monster name: N/A
Class/Level: 54
Party or solo: Solo
In-game time: 17:30
Area and coordinates: X=31 Y=37
Steps:
1. I was walking from a quest objective to the final NPC to hand it in.
2. Got at coordinates and couldn't fall down
3. Had to jump to get over this invisible wall or ridge
4. Walking back up that hill I could just pass through that said wall/ridge/barrier

Connection Specs
- No clue, centrally managed in apartment building
- TP-Link router


Model Number of the PlayStation®4 You Are Using
- Model Number: CUH-1116A


Information About the Peripherals You Are Using
-Type: DUALSHOCK4
-Maker: Sony
-Model Number: CUH-ZCT1E

I recorded the glitch with the record function of the PS4: FFXIV - Weird Barrier Glitch: https://youtu.be/x0f9DF7wyEs