Hello, I'm making a private mod, It's a mod for an Minecraft server. But has an error when I join on server, This error just show when I join on Multiplayer, In singleplayer doesn't has error.
Mod version: 1.8.9.
Here the error:
[09:56:43] [Client thread/FATAL]: Error executing task
java.util.concurrent.ExecutionException: java.lang.ArrayIndexOutOfBoundsException
at java.util.concurrent.FutureTask.report(Unknown Source) ~[?:1.8.0_101]
at java.util.concurrent.FutureTask.get(Unknown Source) ~[?:1.8.0_101]
at net.minecraft.util.Util.runTask(SourceFile:45) [Util.class:?]
at net.minecraft.client.Minecraft.runGameLoop(Minecraft.java:1014) [Minecraft.class:?]
at net.minecraft.client.Minecraft.run(Minecraft.java:349) [Minecraft.class:?]
at net.minecraft.client.main.Main.main(SourceFile:124) [Main.class:?]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_101]
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_101]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_101]
at java.lang.reflect.Method.invoke(Unknown Source) ~[?:1.8.0_101]
at net.minecraft.launchwrapper.Launch.launch(Launch.java:135) [launchwrapper-1.12.jar:?]
at net.minecraft.launchwrapper.Launch.main(Launch.java:28) [launchwrapper-1.12.jar:?]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_101]
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_101]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_101]
at java.lang.reflect.Method.invoke(Unknown Source) ~[?:1.8.0_101]
at net.minecraftforge.gradle.GradleStartCommon.launch(GradleStartCommon.java:97) [start/:?]
at GradleStart.main(GradleStart.java:26) [start/:?]
Caused by: java.lang.ArrayIndexOutOfBoundsException