Hi! I have problem with GuiConnecting.

I use this code in my button:

this.mc.displayGuiScreen(new GuiConnecting(this, this.mc, "185.48.170.15", 25565));

And when i connect to the server i've got a crash.

Log:

---- Minecraft Crash Report ----
// This is a token for 1 free hug. Redeem at your nearest Mojangsta: [~~HUG~~]

Time: 07.07.14 12:49
Description: Ticking screen

java.lang.NullPointerException: Ticking screen
at cpw.mods.fml.client.FMLClientHandler.setPlayClient(FMLClientHandler.java:827)
at net.minecraft.client.network.NetHandlerLoginClient.func_147232_a(NetHandlerLoginClient.java:113)
at net.minecraft.network.NetworkManager.func_74428_b(NetworkManager.java:186)
at net.minecraft.client.multiplayer.GuiConnecting.func_73876_c(SourceFile:76)
at net.minecraft.client.Minecraft.func_71407_l(Minecraft.java:1601)
at net.minecraft.client.Minecraft.func_71411_J(Minecraft.java:917)
at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:835)
at net.minecraft.client.main.Main.main(SourceFile:103)
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 net.minecraft.launchwrapper.Launch.launch(Launch.java:134)
at net.minecraft.launchwrapper.Launch.main(Launch.java:28)


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

-- Head --
Stacktrace:
at cpw.mods.fml.client.FMLClientHandler.setPlayClient(FMLClientHandler.java:827)
at net.minecraft.client.network.NetHandlerLoginClient.func_147232_a(NetHandlerLoginClient.java:113)
at net.minecraft.network.NetworkManager.func_74428_b(NetworkManager.java:186)
at net.minecraft.client.multiplayer.GuiConnecting.func_73876_c(SourceFile:76)

-- Affected screen --
Details:
Screen name: net.minecraft.client.multiplayer.GuiConnecting
Stacktrace:
at net.minecraft.client.Minecraft.func_71407_l(Minecraft.java:1601)
at net.minecraft.client.Minecraft.func_71411_J(Minecraft.java:917)
at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:835)
at net.minecraft.client.main.Main.main(SourceFile:103)
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 net.minecraft.launchwrapper.Launch.launch(Launch.java:134)
at net.minecraft.launchwrapper.Launch.main(Launch.java:28)

-- System Details --
Details:
Minecraft Version: 1.7.2
Operating System: Windows 7 (amd64) version 6.1
Java Version: 1.8.0_05, Oracle Corporation
Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
Memory: 480932104 bytes (458 MB) / 661127168 bytes (630 MB) up to 746061824 bytes (711 MB)
JVM Flags: 3 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance.exe.heapdump -Xms400M -Xmx800M
AABB Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
FML: MCP v9.03 FML v7.2.217.1147 Minecraft Forge 10.12.2.1147 8 mods loaded, 8 mods active
mcp{9.03} [Minecraft Coder Pack] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
FML{7.2.217.1147} [Forge Mod Loader] (forge-1.7.2-10.12.2.1147.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
Forge{10.12.2.1147} [Minecraft Forge] (forge-1.7.2-10.12.2.1147.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
BiblioCraft{1.7.1} [biblioCraft] (BiblioCraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
customnpcs{1.7.2-2} [CustomNpcs] (CustomNPCs.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
quidcraft{1.0} [HPsRP Quidditch] (HPsRP.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
HPsRP{1.0} [HPsRP Mods] (HPsRP.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
tabbychat{1.11.00} [TabbyChat] (TabbyChat.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
Launched Version: HPsRP
LWJGL: 2.9.0
OpenGL: GeForce 8600 GT/PCIe/SSE2 GL version 3.3.0, NVIDIA Corporation
Is Modded: Definitely; Client brand changed to 'fml,forge'
Type: Client (map_client.txt)
Resource Packs: []
Current Language: Polski (Polska)
Profiler Position: N/A (disabled)
Vec3 Pool Size: ~~ERROR~~ NullPointerException: null
Anisotropic Filtering: Off (1)

Thanks for any help:)

Like that?:

FMLClientHandler.instance().connectToServer(this, new ServerData("", "ip:port"));

Ok i figured it out:P

Thanks for help.