New Side Mission?

So I recently noticed this on my second playthrough of the game with a new character.
I’ve completed all missions (main and side) for main game and all DLC, but this popped up today. Nothing shows on my HUD when I’m in the area of the crater and I can’t find anything in the area that seems new.

Anyone else notice this? Or is it just me?

A post was merged into an existing topic: New Mission marker (Unknown)