---> Halfling.Serialization.DeserializeException: Unable to find source for non-optional field "EnemyCombatNoBuildRadius" in source "<[user's home folder]\Documents\My Games\Cosmoteer\Mods\BloodCult(0.15.8)\Bloodcult\mod.txt>/Actions/0/ManyToAdd/0".
you are using an outdated version of bloodcult
check the first post and download the correct version (since you are using cosmoteer 0.15.13, you need the bloodcult version for the 0.15.12, the latest version may not be compatible)