[MC-143377] Crash

Good Evening.
I tried to Update my Game to the Latest Version. After starting a new Singleplayerworld the game crashed again. After the crash the Crash Report showed up:

[19:44:04] [Client thread/INFO]: Setting user: sakul123456
[19:44:04] [Client thread/INFO]: (Session ID is token:8693f09877854dd2ba1588c5572dfd84:73e4a5edafad41d2a2f4d9bc397d91d7)
[19:44:05] [Client thread/INFO]: LWJGL Version: 2.9.4
[19:44:06] [Client thread/INFO]: Reloading ResourceManager: Default
[19:44:06] [Sound Library Loader/INFO]: Starting up SoundSystem...
[19:44:06] [Thread-6/INFO]: Initializing LWJGL OpenAL
[19:44:06] [Thread-6/INFO]: (The LWJGL binding of OpenAL.  For more information, see {color}[http://www.lwjgl.org/]{color:#dcddde})
[19:44:06] [Thread-6/INFO]: OpenAL initialized.
[19:44:06] [Sound Library Loader/INFO]: Sound engine started
[19:44:07] [Client thread/INFO]: Created: 512x512 textures-atlas
[19:44:12] [Client thread/INFO]: Connecting to mc.gommehd.com., 25565
[19:44:13] [Client thread/FATAL]: Error executing task
java.util.concurrent.ExecutionException: java.lang.NullPointerException
    at java.util.concurrent.FutureTask.report(FutureTask.java:122) ~[?:1.8.0_51]
    at java.util.concurrent.FutureTask.get(FutureTask.java:192) ~[?:1.8.0_51]
    at g.a(SourceFile:45) [1.8.9.jar:?]
    at ave.av(SourceFile:881) [1.8.9.jar:?]
    at ave.a(SourceFile:325) [1.8.9.jar:?]
    at net.minecraft.client.main.Main.main(SourceFile:124) [1.8.9.jar:?]
Caused by: java.lang.NullPointerException
    at fp.a(SourceFile:80) ~[1.8.9.jar:?]
    at bcy.a(SourceFile:315) ~[1.8.9.jar:?]
    at fp.a(SourceFile:75) ~[1.8.9.jar:?]
    at fp.a(SourceFile:16) ~[1.8.9.jar:?]
    at fh$1.run(SourceFile:13) ~[1.8.9.jar:?]
    at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) ~[?:1.8.0_51]
    at java.util.concurrent.FutureTask.run(FutureTask.java:266) ~[?:1.8.0_51]
    at g.a(SourceFile:44) ~[1.8.9.jar:?]
    ... 3 more

I hope you can find the issue and help me. Thanks for your attention!!!