Not a Bug CDs dungeon teleporter bug

Description of the bug: (optional screenshot/video): I was leeching my characters at the latest CDs dungeon map and noticed something odd as I jumped down each platform and tried going back up, I found out that the teleporter that goes up and down is not functioning which disrupts me from sweeping items/mesos. (Link to the video attached below)
What is supposed to happen?: Teleporters are supposed to teleport the player's character up/down platforms.
Where did you find and/or notice this bug?: Taiwan, Star Avenue South Section (Dungeon)
A step-by-step guide to re-producing this bug (optional):
Extra information (optional): https://youtu.be/SYOS3PlVelg

 

kk thx