I got 0 results searching on here. What's this all about?

It means exactly what it says. These also appear during quests/missions, and usually means it's an area transition trigger, but is currently not used in the current configuration of the map.

That's used for episode 4 and up story quests which we don't have yet that's why says that

@coldreactive that much I get. I meant this specific one in the lobby.

@ComplexZeru said in Entry Forbidden?:

That's used for episode 4 and up story quests which we don't have yet that's why says that

Thank you. That's the answer I was looking for.