Crash quand je vais sur un serveur

bonjour a tous aujourd hui je viens vous voir car j ai un probleme lorsque je vais sur un serveur le jeu s arrette et me renvoie sur le launcher avec ce texte
[16:04:20] [Client thread/INFO]: Setting user: penguin7gg
[16:04:20] [Client thread/INFO]: (Session ID is <censored>)
[16:04:24] [Client thread/INFO]: LWJGL Version: 2.9.4
[16:04:25] [Client thread/INFO]: Reloading ResourceManager: Default, SimpleCraft_V15.2.zip
[16:04:34] [Sound Library Loader/INFO]: Starting up SoundSystem...
[16:04:34] [Thread-6/INFO]: Initializing LWJGL OpenAL
[16:04:34] [Thread-6/INFO]: (The LWJGL binding of OpenAL. For more information, see http://www.lwjgl.org)
[16:04:35] [Thread-6/INFO]: OpenAL initialized.
[16:04:35] [Sound Library Loader/INFO]: Sound engine started
[16:04:38] [Client thread/INFO]: Created: 512x512 textures-atlas
[16:04:51] [Client thread/INFO]: Connecting to play.epicube.fr, 25565
[16:04:51] [Server Connector #1/ERROR]: Couldn't connect to server
java.lang.NullPointerException: group
at io.netty.bootstrap.AbstractBootstrap.group(AbstractBootstrap.java:80) ~[netty-all-4.0.23.Final.jar:?]
at ek.a(SourceFile:264) ~[1.8.8.jar:?]
at awz$1.run(SourceFile:59) [1.8.8.jar:?]
[16:04:58] [Client thread/INFO]: Connecting to play.epicube.fr, 25565
[16:05:01] [Client thread/INFO]: [CHAT] L'effet de la Poudre de Perlimpinpin est toujours actif, pour faire réapparaitre les joueurs réutilisez la !
[16:05:01] [Client thread/INFO]: [CHAT] Bonjour penguin7gg et bienvenue sur EpiCube !
[16:05:01] [Client thread/INFO]: [CHAT] -----------------------------------------------------
[16:05:01] [Client thread/INFO]: [CHAT] Invitez les gens avec qui vous appréciez de jouer dans vos amis afin de garder le contact et pouvoir jouer plus facilement ensemble (/friends)
[16:05:01] [Client thread/INFO]: [CHAT] -----------------------------------------------------
#
# A fatal error has been detected by the Java Runtime Environment:
#
# EXCEPTION_ACCESS_VIOLATION (0xc0000005) at pc=0x2db73060, pid=1960, tid=0x000014a8
#
# JRE version: Java(TM) SE Runtime Environment (8.0_101-b13) (build 1.8.0_101-b13)
# Java VM: Java HotSpot(TM) Client VM (25.101-b13 mixed mode windows-x86 )
# Problematic frame:
# C [iglicd32.dll+0x43060]
#
# Failed to write core dump. Minidumps are not enabled by default on client versions of Windows
#
# An error report file with more information is saved as:
# C:\Documents and Settings\samatan 4\Application Data\.minecraft\hs_err_pid1960.log
#
# If you would like to submit a bug report, please visit:
# http://bugreport.java.com/bugreport/crash.jsp
# The crash happened outside the Java Virtual Machine in native code.
# See problematic frame for where to report the bug.
#
AL lib: (EE) alc_cleanup: 1 device not closed
Java HotSpot(TM) Client VM warning: Using incremental CMS is deprecated and will likely be removed in a future release


merci a vous davance et excuser moi pour les fautes j ai ecris a la hate