Can't put wall lights back in

[Myphicbowser]

Brief description of the issue

I used heat resistant gloves to remove light tubes from wall light fixtures then could no longer place them back as they are now invisible

What you expected to happen

I could take out and put light tubes back in and out of the wall light fixtures

What actually happened

The light fixture vanished and I could no longer insert tube lights into them

Steps to reproduce

Remove a light tube from a wall light fixture and watch it vanish

Additional info:

• Server revision: master - 2019-12-29
  7177818edb1e8e579eb1c949ed9c6f6ef011aab2