[11:39:06] [Client thread/FATAL]: Error executing task
java.util.concurrent.ExecutionException: java.lang.IndexOutOfBoundsException: readerIndex(1) + length(66) exceeds writerIndex(64): UnpooledHeapByteBuf(ridx: 1, widx: 64, cap: 64)
at java.util.concurrent.FutureTask.report(Unknown Source) ~[?:1.8.0_91]
at java.util.concurrent.FutureTask.get(Unknown Source) ~[?:1.8.0_91]
at h.a(SourceFile:46) [h.class:?]
at bcx.av(SourceFile:960) [bcx.class:?]
at bcx.a(SourceFile:396) [bcx.class:?]
at net.minecraft.client.main.Main.main(SourceFile:124) [Main.class:?]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_91]
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_91]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_91]
at java.lang.reflect.Method.invoke(Unknown Source) ~[?:1.8.0_91]
at net.minecraft.launchwrapper.Launch.launch(Launch.java:131) [launchwrapper-1.7.jar:?]
at net.minecraft.launchwrapper.Launch.main(Launch.java:27) [launchwrapper-1.7.jar:?]
Caused by: java.lang.IndexOutOfBoundsException: readerIndex(1) + length(66) exceeds writerIndex(64): UnpooledHeapByteBuf(ridx: 1, widx: 64, cap: 64)
at io.netty.buffer.AbstractByteBuf.checkReadableBytes(AbstractByteBuf.java:1175) ~[AbstractByteBuf.class:4.0.23.Final]
at io.netty.buffer.AbstractByteBuf.readBytes(AbstractByteBuf.java:655) ~[AbstractByteBuf.class:4.0.23.Final]
at eq.readBytes(SourceFile:759) ~[eq.class:?]
at eq.e(SourceFile:333) ~[eq.class:?]
at bll.a(SourceFile:1468) ~[bll.class:?]
at gl.a(SourceFile:54) ~[gl.class:?]
at gl.a(SourceFile:9) ~[gl.class:?]
at fl$1.run(SourceFile:13) ~[fl$1.class:?]
at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source) ~[?:1.8.0_91]
at java.util.concurrent.FutureTask.run(Unknown Source) ~[?:1.8.0_91]
at h.a(SourceFile:45) ~[h.class:?]
... 9 more