I have reinstalled it like 2 time the forge 1.9 client and I can start the game but when I enter a world it crashes, if I try creating a world same problem.
Here is the Crash report. please advise...
---- Minecraft Crash Report ----
// Oh - I know what I did wrong!
Time: 09/05/16 10:38 AM
Description: Unexpected error
java.lang.NoSuchMethodError: net.minecraft.server.MinecraftServer.func_71203_ab()Lnet/minecraft/server/management/ServerConfigurationManager;
at com.sk89q.worldedit.forge.ThreadSafeCache.tickStart(ThreadSafeCache.java:61)
at net.minecraftforge.fml.common.eventhandler.ASMEventHandler_6_ThreadSafeCache_tickStart_TickEvent.invoke(.dynamic)
at net.minecraftforge.fml.common.eventhandler.ASMEventHandler.invoke(ASMEventHandler.java:49)
at net.minecraftforge.fml.common.eventhandler.EventBus.post(EventBus.java:140)
at net.minecraftforge.fml.common.FMLCommonHandler.onPostClientTick(FMLCommonHandler.java:336)
at net.minecraft.client.Minecraft.func_71407_l(Minecraft.java:1845)
at net.minecraft.client.Minecraft.func_71411_J(Minecraft.java:1051)
at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:366)
at net.minecraft.client.main.Main.main(SourceFile:124)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:483)
at net.minecraft.launchwrapper.Launch.launch(Launch.java:135)
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:
---------------------------------------------------------------------------------------
-- System Details --
Details:
Minecraft Version: 1.9
Operating System: Windows 8.1 (amd64) version 6.3
Java Version: 1.8.0_25, Oracle Corporation
Java VM Version: Java HotSpot 64-Bit Server VM (mixed mode), Oracle Corporation
Memory: 512125288 bytes (488 MB) / 904265728 bytes (862 MB) up to 4241293312 bytes (4044 MB)
JVM Flags: 6 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx4G -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalMode -XX:-UseAdaptiveSizePolicy -Xmn512M
IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
FML: MCP 9.23 Powered by Forge 12.16.1.1894 4 mods loaded, 4 mods active
States: 'U' = Unloaded 'L' = Loaded 'C' = Constructed 'H' = Pre-initialized 'I' = Initialized 'J' = Post-initialized 'A' = Available 'D' = Disabled 'E' = Errored
UCHIJAAA mcp{9.19} [Minecraft Coder Pack] (minecraft.jar)
UCHIJAAA FML{8.0.99.99} [Forge Mod Loader] (forge-1.9-12.16.1.1894.jar)
UCHIJAAA Forge{12.16.1.1894} [Minecraft Forge] (forge-1.9-12.16.1.1894.jar)
UCHIJAEE worldedit{6.1.1} [WorldEdit] (worldedit-forge-mc1.8.9-6.1.1.jar)
Loaded coremods (and transformers):
GL info: ' Vendor: 'NVIDIA Corporation' Version: '4.5.0 NVIDIA 364.72' Renderer: 'GeForce GTX 745/PCIe/SSE2'
Launched Version: 1.9-forge1.9-12.16.1.1894
LWJGL: 2.9.4
OpenGL: GeForce GTX 745/PCIe/SSE2 GL version 4.5.0 NVIDIA 364.72, 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: Definitely; Client brand changed to 'fml,forge'
Type: Client (map_client.txt)
Resource Packs:
Current Language: English (US)
Profiler Position: N/A (disabled)
CPU: 8x Intel® Core i7-4790 CPU @ 3.60GHz