Client crash on conection of Server

My client crashes during connection on my local server.
Server Log :

[22:49:50] [main/WARN]: Ambiguity between arguments [teleport, destination] and [teleport, targets] with inputs: [Player, 0123, @e, dd12be42-52a9-4a91-a8a1-11c01849e498]
[22:49:50] [main/WARN]: Ambiguity between arguments [teleport, location] and [teleport, destination] with inputs: [0.1 -0.5 .9, 0 0 0]
[22:49:50] [main/WARN]: Ambiguity between arguments [teleport, location] and [teleport, targets] with inputs: [0.1 -0.5 .9, 0 0 0]
[22:49:50] [main/WARN]: Ambiguity between arguments [teleport, targets] and [teleport, destination] with inputs: [Player, 0123, dd12be42-52a9-4a91-a8a1-11c01849e498]
[22:49:50] [main/WARN]: Ambiguity between arguments [teleport, targets, location] and [teleport, targets, destination] with inputs: [0.1 -0.5 .9, 0 0 0]
[22:49:50] [main/INFO]: Loaded 0 recipes
[22:49:50] [main/INFO]: Loaded 0 advancements
[22:49:50] [Server thread/INFO]: Starting minecraft server version 18w07c
[22:49:50] [Server thread/INFO]: Loading properties
[22:49:50] [Server thread/INFO]: Default game type: SURVIVAL
[22:49:50] [Server thread/INFO]: Generating keypair
[22:49:50] [Server thread/INFO]: Starting Minecraft server on *:25565
[22:49:50] [Server thread/INFO]: Using default channel type
[22:49:50] [Server thread/INFO]: Preparing level "world"
[22:49:50] [Server thread/INFO]: Reloading ResourceManager: Mine-Kart, Default
[22:49:51] [Server thread/INFO]: Loaded 517 recipes
[22:49:52] [Server thread/INFO]: Loaded 45 custom command functions
[22:49:52] [Server thread/INFO]: Loaded 560 advancements
[22:49:52] [Server thread/INFO]: Preparing start region for level 0
[22:49:52] [Server thread/INFO]: Preparing spawn area: 0%
[22:49:52] [Server thread/INFO]: Preparing spawn area: 0%
[22:49:52] [Server thread/INFO]: Preparing spawn area: 0%
[22:49:52] [Server thread/INFO]: Preparing spawn area: 0%
[22:49:52] [Server thread/INFO]: Preparing spawn area: 0%
[22:49:52] [Server thread/INFO]: Preparing spawn area: 0%
[22:49:52] [Server thread/INFO]: Preparing spawn area: 0%
[22:49:52] [Server thread/INFO]: Preparing spawn area: 0%
[22:49:52] [Server thread/INFO]: Preparing spawn area: 0%
[22:49:52] [Server thread/INFO]: Preparing spawn area: 0%
[22:49:52] [Server thread/INFO]: Preparing spawn area: 0%
[22:49:52] [Server thread/INFO]: Preparing spawn area: 0%
[22:49:52] [Server thread/INFO]: Preparing spawn area: 0%
[22:49:52] [Server thread/INFO]: Preparing spawn area: 0%
[22:49:52] [Server thread/INFO]: Preparing spawn area: 0%
[22:49:52] [Server thread/INFO]: Preparing spawn area: 0%
[22:49:52] [Server thread/INFO]: Preparing spawn area: 0%
[22:49:52] [Server thread/INFO]: Preparing spawn area: 0%
[22:49:52] [Server thread/INFO]: Preparing spawn area: 0%
[22:49:52] [Server thread/INFO]: Preparing spawn area: 0%
[22:49:52] [Server thread/INFO]: Preparing spawn area: 0%
[22:49:52] [Server thread/INFO]: Preparing spawn area: 0%
[22:49:52] [Server thread/INFO]: Preparing spawn area: 0%
[22:49:52] [Server thread/INFO]: Preparing spawn area: 0%
[22:49:52] [Server thread/INFO]: Preparing spawn area: 0%
[22:49:52] [Server thread/INFO]: Done (2,270s)! For help, type "help" or "?"
[22:49:52] [Server thread/INFO]: Starting GS4 status listener
[22:49:53] [Server thread/INFO]: Starting remote control listener
[22:49:53] [Query Listener #1/INFO]: Query running on 0.0.0.0:25565
[22:49:53] [RCON Listener #2/INFO]: RCON running on 0.0.0.0:25575
[22:50:04] [User Authenticator #1/INFO]: UUID of player docjyJ is 48059628-0f59-4f6a-bf9f-555b30c26a9d
[22:50:04] [Server thread/INFO]: docjyJ[/127.0.0.1:64205] logged in with entity id 13 at (-261.79974890934903, 12.0, 51.32203274494601)
[22:50:04] [Server thread/INFO]: docjyJ joined the game
[22:50:07] [Server thread/INFO]: docjyJ lost connection: Internal Exception: java.io.IOException: Une connexion existante a dû être fermée par l’hôte distant
[22:50:07] [Server thread/INFO]: docjyJ left the game

Client Log :

[22:40:52] [Client thread/INFO]: Setting user: docjyJ 
[22:40:54] [Client thread/WARN]: Skipping bad option: lastServer:

[22:40:54] [Client thread/INFO]: LWJGL Version: 3.1.2 build 29

[22:40:55] [Client thread/INFO]: Reloading ResourceManager: Default

[22:40:55] [Client thread/WARN]: Missing sound for event: minecraft:block.pumpkin.carve

[22:40:55] [Sound Library Loader/INFO]: Starting up SoundSystem...

[22:40:55] [Thread-2/INFO]: Initializing No Sound

[22:40:55] [Thread-2/INFO]: (Silent Mode)

[22:40:55] [Thread-2/INFO]: OpenAL initialized.

[22:40:56] [Sound Library Loader/INFO]: Sound engine started

[22:40:58] [Client thread/INFO]: Created: 1024x512 textures-atlas

[22:41:00] [Client thread/INFO]: Narrator library for x64 successfully loaded

[22:41:00] [Client thread/ERROR]: Realms module missing

[22:50:01] [Client thread/INFO]: Connecting to localhost, 25565

[22:50:06] [Client thread/FATAL]: Unreported exception thrown!

java.lang.NullPointerException: null

at vn$a.a(SourceFile:77) ~[minecraft-18w07c-client.jar:?]

at vn$a.a(SourceFile:63) ~[minecraft-18w07c-client.jar:?]

at axq.a(SourceFile:210) ~[minecraft-18w07c-client.jar:?]

at bfs.a(SourceFile:263) ~[minecraft-18w07c-client.jar:?]

at abd.a(SourceFile:1105) ~[minecraft-18w07c-client.jar:?]

at ckd.b(SourceFile:1183) ~[minecraft-18w07c-client.jar:?]

at ckd.a(SourceFile:1083) ~[minecraft-18w07c-client.jar:?]

at ckd.a(SourceFile:944) ~[minecraft-18w07c-client.jar:?]

at bxe.b(SourceFile:820) ~[minecraft-18w07c-client.jar:?]

at bxe.a(SourceFile:381) [minecraft-18w07c-client.jar:?]

at net.minecraft.client.main.Main.main(SourceFile:141) [minecraft-18w07c-client.jar:?]

at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_121]

at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_121]

at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_121]

at java.lang.reflect.Method.invoke(Unknown Source) ~[?:1.8.0_121]

at org.multimc.onesix.OneSixLauncher.launchWithMainClass(OneSixLauncher.java:196) [NewLaunch.jar:?]

at org.multimc.onesix.OneSixLauncher.launch(OneSixLauncher.java:231) [NewLaunch.jar:?]

at org.multimc.EntryPoint.listen(EntryPoint.java:143) [NewLaunch.jar:?]

at org.multimc.EntryPoint.main(EntryPoint.java:34) [NewLaunch.jar:?]

crash report :

---- Minecraft Crash Report ---- 
// But it works on my machine.




Time: 2/17/18 10:50 PM

Description: Unexpected error




java.lang.NullPointerException: Unexpected error

at vn$a.a(SourceFile:77)

at vn$a.a(SourceFile:63)

at axq.a(SourceFile:210)

at bfs.a(SourceFile:263)

at abd.a(SourceFile:1105)

at ckd.b(SourceFile:1183)

at ckd.a(SourceFile:1083)

at ckd.a(SourceFile:944)

at bxe.b(SourceFile:820)

at bxe.a(SourceFile:381)

at net.minecraft.client.main.Main.main(SourceFile:141)

at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)

at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)

at java.lang.reflect.Method.invoke(Unknown Source)

at org.multimc.onesix.OneSixLauncher.launchWithMainClass(OneSixLauncher.java:196)

at org.multimc.onesix.OneSixLauncher.launch(OneSixLauncher.java:231)

at org.multimc.EntryPoint.listen(EntryPoint.java:143)

at org.multimc.EntryPoint.main(EntryPoint.java:34)







A detailed walkthrough of the error, its code path and all known details is as follows:

---------------------------------------------------------------------------------------




-- Head --

Thread: Client thread

Stacktrace:

at vn$a.a(SourceFile:77)

at vn$a.a(SourceFile:63)

at axq.a(SourceFile:210)

at bfs.a(SourceFile:263)

at abd.a(SourceFile:1105)

at ckd.b(SourceFile:1183)

at ckd.a(SourceFile:1083)




-- Affected level --

Details:

Level name: MpServer

All players: 1 total; [cjq['docjyJ'/13, l='MpServer', x=8.50, y=65.00, z=8.50]]

Chunk stats: MultiplayerChunkCache: 0, 0

Level seed: 0

Level generator: ID 01 - flat, ver 0. Features enabled: false

Level generator options: 

Level spawn location: World: (8,64,8), Chunk: (at 8,4,8 in 0,0; contains blocks 0,0,0 to 15,255,15), Region: (0,0; contains chunks 0,0 to 31,31, blocks 0,0,0 to 511,255,511)

Level time: 1 game time, 1 day time

Level dimension: 0

Level storage version: 0x00000 - Unknown?

Level weather: Rain time: 0 (now: false), thunder time: 0 (now: false)

Level game mode: Game mode: creative (ID 1). Hardcore: false. Cheats: false

Forced entities: 1 total; [cjq['docjyJ'/13, l='MpServer', x=8.50, y=65.00, z=8.50]]

Retry entities: 0 total; []

Server brand: vanilla

Server type: Non-integrated multiplayer server

Stacktrace:

at chn.a(SourceFile:368)

at bxe.b(SourceFile:1827)

at bxe.a(SourceFile:394)

at net.minecraft.client.main.Main.main(SourceFile:141)

at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)

at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)

at java.lang.reflect.Method.invoke(Unknown Source)

at org.multimc.onesix.OneSixLauncher.launchWithMainClass(OneSixLauncher.java:196)

at org.multimc.onesix.OneSixLauncher.launch(OneSixLauncher.java:231)

at org.multimc.EntryPoint.listen(EntryPoint.java:143)

at org.multimc.EntryPoint.main(EntryPoint.java:34)




-- System Details --

Details:

Minecraft Version: 18w07c

Operating System: Windows 7 (amd64) version 6.1

Java Version: 1.8.0_121, Oracle Corporation

Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation

Memory: 384300488 bytes (366 MB) / 523763712 bytes (499 MB) up to 954728448 bytes (910 MB)

JVM Flags: 3 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xms256m -Xmx1024m

Launched Version: MultiMC5

LWJGL: 3.1.2 build 29

OpenGL: GeForce GT 730/PCIe/SSE2 GL version 4.5.0 NVIDIA 350.12, NVIDIA Corporation

GL Caps: Using GL 1.3 multitexturing.

Using GL 1.3 texture combiners.

Using framebuffer objects because OpenGL 3.0 is supported and separate blending is supported.

Shaders are available because OpenGL 2.1 is supported.

VBOs are available because OpenGL 1.5 is supported.




Using VBOs: Yes

Is Modded: Probably not. Jar signature remains and client brand is untouched.

Type: Client (map_client.txt)

Resource Packs: vanilla

Current Language: Français (France)

Profiler Position: N/A (disabled)

CPU: 4x Intel(R) Core(TM) i3-4160 CPU @ 3.60GHz