Exonomica

Hello! I was playing the game and stumbled upon what I think is a bug. I met Belenna and went to where she told me to go to find Adelarro at the Moldering Godless Ruins, only to find the area empty without him anywhere nearby. Looking online at several quest guides, it appears that Adelarro appears with the enemies that are supposed to spawn here, but I cleared out this area hours ago in my game prior to doing this mission. He didn't spawn for me when I came here initially, so I'm unsure of how to fix this now, and I certainly don't want to have to reload a previous save file. Any advice or fixes or anything of the sorts is greatly appreciated. Thank you Attached below is a screenshot of my game showing how the quest marker is just pointing at nothing and no loot or body in site.