Duplicate Grahics error: Wood Ghosts housing destroy graphics of Mountain Halls

[Brummbaer]

Game version: v1.77-(1880c16) (2019-03-28 19:12)
HTML5 Yes/No: no
Game world: beta
Browser/IOS/Android + version: chrome latest
Flash Player version: chrome
Operating System: win10
Screen resolution:1920x0180
Account name:[/B] Brummbaer
Humans or Elves:elf

Reproducibility: 5/5

Current situation:

Wood Ghosts housing destroy graphics of Mountain Halls

Expected situation:
No influence of other buildings

Players name available