How to Reproduce:
1. Open the attached Project (Juan wrote OwnCloud url)
2. Go to the "CUSTOMER_NAME" menu tab at the top
3. Select "Open Level"
4. In the "Open Level" window that pops up, select "AR_0102" in the left column and select "Load
-This will load the selected scene as well as any additional scenes necessary for the level to work
5. Press Play
6. Walk out of the hut by pressing the scene transition icon at the door of the hut you are in
7. Wait for the exterior to load
8. Walk back into the Hut scene by pressing the scene transition icon at the door of the hut
9. Repeat until Editor crashes (should only take 3 transitions max to crash)
Note: crash is always reproduced when the exterior scene is loading

Issue reproduces: 5.5.0f1, 5.5.0p4, 5.5.2p1
Doesn't reproduce: 5.4.4p4 <-project crashed with different call stack
5.6.0b10 project doesn't work as it has compilation errors, because user uses experimental script