Maintenance for the week of December 23:
• NA megaservers for maintenance – December 23, 4:00AM EST (9:00 UTC) - 9:00AM EST (14:00 UTC)
• EU megaservers for maintenance – December 23, 9:00 UTC (4:00AM EST) - 14:00 UTC (9:00AM EST)
When you place objects that you can interact with, they need to glow green to be able to interact with them properly. Try repositioning it using the right mouse button( i think its right) to auto position it in housing editor. When it is green, place it. It should work then.