java.lang.NoSuchMethodError: me.mrCookieSlime.Slimefun.cscorelib2.config.Config.getDouble(Ljava/lang/String;)Ljava/lang/Double;
at io.github.thebusybiscuit.extraheads.HeadListener.onKill(HeadListener.java:27) ~[?:?]
at com.destroystokyo.paper.event.executor.asm.generated.GeneratedEventExecutor444.execute(Unknown Source) ~[?:?]
at org.bukkit.plugin.EventExecutor.lambda$create$1(EventExecutor.java:69) ~[patched_1.14.4.jar:git-Paper-187]
at co.aikar.timings.TimedEventExecutor.execute(TimedEventExecutor.java:80) ~[patched_1.14.4.jar:git-Paper-187]
at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:70) ~[patched_1.14.4.jar:git-Paper-187]
at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:545) ~[patched_1.14.4.jar:git-Paper-187]
at org.bukkit.craftbukkit.v1_14_R1.event.CraftEventFactory.callEntityDeathEvent(CraftEventFactory.java:750) ~[patched_1.14.4.jar:git-Paper-187]
at net.minecraft.server.v1_14_R1.EntityLiving.d(EntityLiving.java:1419) ~[patched_1.14.4.jar:git-Paper-187]
at net.minecraft.server.v1_14_R1.EntityLiving.die(EntityLiving.java:1354) ~[patched_1.14.4.jar:git-Paper-187]
at net.minecraft.server.v1_14_R1.EntityLiving.damageEntity(EntityLiving.java:1198) ~[patched_1.14.4.jar:git-Paper-187]
at net.minecraft.server.v1_14_R1.EntityBat.damageEntity(EntityBat.java:185) ~[patched_1.14.4.jar:git-Paper-187]
at net.minecraft.server.v1_14_R1.Entity.burn(Entity.java:1099) ~[patched_1.14.4.jar:git-Paper-187]
at net.minecraft.server.v1_14_R1.Entity.move(Entity.java:693) ~[patched_1.14.4.jar:git-Paper-187]
at net.minecraft.server.v1_14_R1.EntityLiving.e(EntityLiving.java:2208) ~[patched_1.14.4.jar:git-Paper-187]
at net.minecraft.server.v1_14_R1.EntityLiving.movementTick(EntityLiving.java:2559) ~[patched_1.14.4.jar:git-Paper-187]
at net.minecraft.server.v1_14_R1.EntityInsentient.movementTick(EntityInsentient.java:504) ~[patched_1.14.4.jar:git-Paper-187]
at net.minecraft.server.v1_14_R1.EntityLiving.tick(EntityLiving.java:2321) ~[patched_1.14.4.jar:git-Paper-187]
at net.minecraft.server.v1_14_R1.EntityInsentient.tick(EntityInsentient.java:275) ~[patched_1.14.4.jar:git-Paper-187]
at net.minecraft.server.v1_14_R1.EntityBat.tick(EntityBat.java:86) ~[patched_1.14.4.jar:git-Paper-187]
at net.minecraft.server.v1_14_R1.WorldServer.entityJoinedWorld(WorldServer.java:665) ~[patched_1.14.4.jar:git-Paper-187]
at net.minecraft.server.v1_14_R1.World.a(World.java:936) ~[patched_1.14.4.jar:git-Paper-187]
at net.minecraft.server.v1_14_R1.WorldServer.doTick(WorldServer.java:437) ~[patched_1.14.4.jar:git-Paper-187]
at net.minecraft.server.v1_14_R1.MinecraftServer.b(MinecraftServer.java:1208) ~[patched_1.14.4.jar:git-Paper-187]
at net.minecraft.server.v1_14_R1.DedicatedServer.b(DedicatedServer.java:417) ~[patched_1.14.4.jar:git-Paper-187]
at net.minecraft.server.v1_14_R1.MinecraftServer.a(MinecraftServer.java:1075) ~[patched_1.14.4.jar:git-Paper-187]
at net.minecraft.server.v1_14_R1.MinecraftServer.run(MinecraftServer.java:919) ~[patched_1.14.4.jar:git-Paper-187]
at java.lang.Thread.run(Thread.java:748) [?:1.8.0_212]