1a03b48 Strange horde

So there’s this horde which seems to have spawned after I blasted my new military transport truck out of the Hazardous Waste SuckoffaGus, but when I scroll over it there’s no “+” at the center, and it doesn’t display the number of zombies, location, target, etc. and there’s no “x” which indicates that it’s moving and has a target but I can tell it’s moving.

Basically, it acts like a horde that’s in unexplored territory except it’s not.

Also, I’m using a save which I brought over from a recent experimental which also had hordes.