Other SYR races work, but it seems Harpies refuse to utilize the functions to find the nearest enemy and chase them down. I have tested with both range and melee, and also tried dropping the lightning.

There is no error either. They just stand still, and Search and Destroy points out that it has been successfully toggled in the error log, same entry as it makes for any other pawn.

Harpies were able to search and destroy before 1.3 as well.

Any ideas?