Quest "Unholy Matrimony" broken

Date & Time: 1/19/2023
Frequency: Always
World name: Maduin (occurs on all worlds)
Character name: Osha Molkoh
Retainer name: None
NPC name: Exposed Wall
Monster name: None
Class/Level: Bard 80
Party or solo: Solo
In-game time: 5:30PM
Area and coordinates: Uldah steps of thal - merchant strip -
Housing: No
Steps:
1. Accept quest Unholy Matrimony from Hihito in uldah steps of nald X 7.9 y 12.1
2. Attempt to place the 3 posters on the wall of the collisuem
3. You will not be able to apply all 3 as one is terrian glitched and you can not target or apply the poster as it is out of line of sight now. It is located on the wall at X 9.8, Y 11.2