help

[SurggOG]

java.lang.NoSuchMethodError: java.util.Map.putIfAbsent(Ljava/lang/Object;Ljava/lang/ObjectLjava/lang/Object; │···············································································
at org.bukkit.potion.PotionEffectType.registerPotionEffectType(PotionEffectType.java:243) │···············································································
at net.minecraft.server.v1_7_R4.MobEffectList.<init>(MobEffectList.java:71) │···············································································
at net.minecraft.server.v1_7_R4.MobEffectList.<clinit>(MobEffectList.java:19) │···············································································
at net.minecraft.server.v1_7_R4.PotionBrewer.<clinit>(SourceFile:82) │···············································································
at net.minecraft.server.v1_7_R4.Item.l(Item.java:75) │···············································································
at net.minecraft.server.v1_7_R4.DispenserRegistry.b(SourceFile:358) │···············································································
at net.minecraft.server.v1_7_R4.MinecraftServer.main(MinecraftServer.java:827) │···············································································
at org.bukkit.craftbukkit.Main.main(Main.java:206)

 

[SurggOG]

Did you do onenable?[DOUBLEPOST=1493066117][/DOUBLEPOST]
And ondisable

wat?
i dont code i am just getting this error

 

[Turtle]

put this on spigot. This is a marketplace