Forge Minecraft stürzt ab?

Can't find attribute minecraft:generic.attack_knockback

Exit-Code: -1

Jedes mal, wenn ich versuche, ein Mob zu schlagen, stürzt das Spiel ab. Scheint aber nur bei den Waffen der Mod Spartan Weaponry der Fall zu sein.

Mods:

Bad Mobs

Better Weather

Collective

Corpse

Crafting Dead

Desolation

Dynamic Surroundings

Enhanced Celestials

First Join Message

Guard Villagers

Improved Mobs

Jade

JEI

Materials Expanded

Mob Sunscreen

More Zombie Villagers

Security Craft

Spartan Weaponry

Starter Kit

Stoneholm, Underground Villages

TenshiLib

The Lost Cities

ToroHealth Damage INdicators

Traveler's Backpack

Valhelsia Structures

Vending Machine

Villagers Follow Emeralds

Villagers Leashed!

Xaero's Minimap

Zombie Extreme

Zombie Horse Spawn