Minecraft version: 1.12.2
Wizardry version: 4.3.1
Environment: Singleplayer
Issue details: When attempting to create antique atlas, no markers displayed for any of the Electroblob's structures known to be in the area mapped.
Other mods involved: Antique Atlas (by Hunternif)

What Antique Atlas version are you using? I have 4.6.3 and it works fine.