Completely ignored arguments: [--nativeLauncherVersion, 301]
[19:27:12] [Client thread/INFO]: Setting user: NinjaMasterKing
[19:27:13] [Client thread/WARN]: Skipping bad option: lastServer:
[19:27:13] [Client thread/INFO]: LWJGL Version: 2.9.4
[19:27:14] [Client thread/INFO]: Reloading ResourceManager: Default
[19:27:19] [Sound Library Loader/INFO]: Starting up SoundSystem...
[19:27:19] [Thread-5/INFO]: Initializing LWJGL OpenAL
[19:27:19] [Thread-5/INFO]: (The LWJGL binding of OpenAL. For more information, see http://www.lwjgl.org)
[19:27:20] [Thread-5/INFO]: OpenAL initialized.
[19:27:20] [Sound Library Loader/INFO]: Sound engine started
[19:27:22] [Client thread/INFO]: Created: 1024x512 textures-atlas
[19:27:36] [Client thread/ERROR]: Can't ping mc.thenova.net: Disconnected
[19:27:50] [Client thread/INFO]: Connecting to play.cubecraft.net., 25565
[19:27:52] [Client thread/INFO]: [CHAT]
[19:27:54] [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_25]
at java.util.concurrent.FutureTask.get(FutureTask.java:192) ~[?:1.8.0_25]
at h.a(SourceFile:46) [1.10.2.jar:?]
at bcx.av(SourceFile:960) [1.10.2.jar:?]
at bcx.a(SourceFile:396) [1.10.2.jar:?]
at net.minecraft.client.main.Main.main(SourceFile:124) [1.10.2.jar:?]
Caused by: java.lang.NullPointerException
at bll.a(SourceFile:454) ~[1.10.2.jar:?]
at fs.a(SourceFile:67) ~[1.10.2.jar:?]
at fs.a(SourceFile:14) ~[1.10.2.jar:?]
at fl$1.run(SourceFile:13) ~[1.10.2.jar:?]
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) ~[?:1.8.0_25]
at java.util.concurrent.FutureTask.run(FutureTask.java:266) ~[?:1.8.0_25]
at h.a(SourceFile:45) ~[1.10.2.jar:?]
... 3 more
[19:27:54] [Client thread/INFO]: [CHAT] -----------------------------
[19:27:54] [Client thread/INFO]: [CHAT]
[19:27:54] [Client thread/INFO]: [CHAT] Welcome to CubeCraft Games!
[19:27:54] [Client thread/INFO]: [CHAT] Website: cubecraft.net
[19:27:54] [Client thread/INFO]: [CHAT] Store: store.cubecraft.net
[19:27:54] [Client thread/INFO]: [CHAT]
[19:27:54] [Client thread/INFO]: [CHAT] -----------------------------
[19:27:54] [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_25]
at java.util.concurrent.FutureTask.get(FutureTask.java:192) ~[?:1.8.0_25]
at h.a(SourceFile:46) [1.10.2.jar:?]
at bcx.av(SourceFile:960) [1.10.2.jar:?]
at bcx.a(SourceFile:396) [1.10.2.jar:?]
at net.minecraft.client.main.Main.main(SourceFile:124) [1.10.2.jar:?]
Caused by: java.lang.NullPointerException
at bll.a(SourceFile:454) ~[1.10.2.jar:?]
at fs.a(SourceFile:67) ~[1.10.2.jar:?]
at fs.a(SourceFile:14) ~[1.10.2.jar:?]
at fl$1.run(SourceFile:13) ~[1.10.2.jar:?]
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) ~[?:1.8.0_25]
at java.util.concurrent.FutureTask.run(FutureTask.java:266) ~[?:1.8.0_25]
at h.a(SourceFile:45) ~[1.10.2.jar:?]
... 3 more

Additional info:

[19:28:11 ERROR]: Game ended with bad state (exit code 255)
[19:28:11 INFO]: Ignoring visibility rule and showing launcher due to a game crash
[19:28:11 INFO]: Deleting C:\Users\Ruben\AppData\Roaming\.minecraft\versions\1.10.2\1.10.2-natives-6689346322475
[19:28:11 WARN]: Couldn't delete C:\Users\Ruben\AppData\Roaming\.minecraft\versions\1.10.2\1.10.2-natives-6689346322475 - scheduling for deletion upon exit