I think I solved it, but this is so dumb…
And dear lord, this is how to get the level name that each actor is in…
I’m really, really hoping for Cunningham’s Law to kick into action now…
Now, here’s the really, really twisted thing:
The level name that an Editor Scripting Utility wants in order to switch level is NOT the same as the name you use to load a level in the game! (Editor Utilities want just the name itself, while an in-game level loading node wants the name with its complete path…)