MC 1.12.2
Incontrol 1.12-3.9.16

in my spawn.json

[
{
"dimension": 10,
"mob": ["Creeper", "Skeleton", "Spider", "Bat", "Zombie", "Witch", "Enderman", "minecraft:zombie_villager", "Slime"],
"result": "deny"
},
{
"dimension": 10,
"mob": ["abyssalcraft:depthsghoul", "abyssalcraft:abyssalzombie"],
"result": "allow"
},
{
"dimension": 10,
"mod": "abyssalcraft",
"mincount": {
"amount": 3,
"mod": "abyssalcraft",
"perchunk": true
},
"result": "deny"
}
]

What happens is Abyssal Zombies and Depths Ghouls spawn continuously...limits are ignored.

What is going on?

I'm getting the same problem. No matter what combination of rules I use in spawn.json and potentialspawn.json, the spawn cap put in the syntax becomes completely ignored. Even when directly trying the examples given on the wiki, except when changing the value of 50 to 5, it ends up not changing anything!