overextension, how do i get rid of it?

########################################
# Overextension - Anti-Blobbing measure
########################################
overextension = {
	icon = 2
	
	trigger = {
		OR = {
			NOT = { core_percentage = 0.5 }
			AND = {
				NOT = { ADM = 6 }
				NOT = { core_percentage = 0.66 }
			}
			AND = {
				NOT = { ADM = 4 }
				NOT = { core_percentage = 0.75 }
			}
			AND = {
				NOT = { ADM = 2 }
				NOT = { core_percentage = 0.85 }
			}
		}
		
		OR = {
			num_of_cities = 120
			AND = {
				num_of_cities = 100
				NOT = { centralization_decentralization = 4 }
			}
			AND = {
				num_of_cities = 90
				NOT = { centralization_decentralization = 3 }
			}
			AND = {
				num_of_cities = 80
				NOT = { centralization_decentralization = 2 }
			}
			AND = {
				num_of_cities = 70
				NOT = { centralization_decentralization = 1 }
			}
			AND = {
				num_of_cities = 60
				NOT = { centralization_decentralization = 0 }
			}
			AND = {
				num_of_cities = 50
				NOT = { centralization_decentralization = -1 }
			}
			AND = {
				num_of_cities = 40
				NOT = { centralization_decentralization = -2 }
			}
			AND = {
				num_of_cities = 30
				NOT = { centralization_decentralization = -3 }
			}
			AND = {
				num_of_cities = 20
				NOT = { centralization_decentralization = -4 }
			}
		}
	}
	
	global_revolt_risk = 3
	minimum_revolt_risk = 3
	stability_cost_modifier = 0.5
	
}