---- Minecraft Crash Report ---- WARNING: coremods are present: Contact their authors BEFORE contacting forge // I bet Cylons wouldn't have this problem. Time: 06/12/16 16:49 Description: Starting integrated server java.lang.NoClassDefFoundError: net/minecraft/server/management/PlayerList at net.minecraft.client.Minecraft.func_71371_a(Minecraft.java:2298) at net.minecraftforge.fml.client.FMLClientHandler.tryLoadExistingWorld(FMLClientHandler.java:723) at net.minecraft.client.gui.GuiListWorldSelectionEntry.func_186777_e(GuiListWorldSelectionEntry.java:245) at net.minecraft.client.gui.GuiListWorldSelectionEntry.func_186774_a(GuiListWorldSelectionEntry.java:199) at net.minecraft.client.gui.GuiListWorldSelectionEntry.func_148278_a(GuiListWorldSelectionEntry.java:163) at net.minecraft.client.gui.GuiListExtended.func_148179_a(SourceFile:41) at net.minecraft.client.gui.GuiWorldSelection.func_73864_a(SourceFile:118) at net.minecraft.client.gui.GuiScreen.func_146274_d(GuiScreen.java:548) at net.minecraft.client.gui.GuiWorldSelection.func_146274_d(SourceFile:50) at net.minecraft.client.gui.GuiScreen.func_146269_k(GuiScreen.java:517) at net.minecraft.client.Minecraft.func_71407_l(Minecraft.java:1700) at net.minecraft.client.Minecraft.func_71411_J(Minecraft.java:1055) at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:371) 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) Caused by: java.lang.ClassNotFoundException: net.minecraft.server.management.PlayerList at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:101) at java.lang.ClassLoader.loadClass(ClassLoader.java:424) at java.lang.ClassLoader.loadClass(ClassLoader.java:357) ... 20 more A detailed walkthrough of the error, its code path and all known details is as follows: --------------------------------------------------------------------------------------- -- Head -- Thread: Client thread Stacktrace: at net.minecraft.client.Minecraft.func_71371_a(Minecraft.java:2298) -- Starting integrated server -- Details: Level ID: New World Level Name: New World Stacktrace: at net.minecraft.client.Minecraft.func_71371_a(Minecraft.java:2298) at net.minecraftforge.fml.client.FMLClientHandler.tryLoadExistingWorld(FMLClientHandler.java:723) at net.minecraft.client.gui.GuiListWorldSelectionEntry.func_186777_e(GuiListWorldSelectionEntry.java:245) at net.minecraft.client.gui.GuiListWorldSelectionEntry.func_186774_a(GuiListWorldSelectionEntry.java:199) at net.minecraft.client.gui.GuiListWorldSelectionEntry.func_148278_a(GuiListWorldSelectionEntry.java:163) at net.minecraft.client.gui.GuiListExtended.func_148179_a(SourceFile:41) at net.minecraft.client.gui.GuiWorldSelection.func_73864_a(SourceFile:118) at net.minecraft.client.gui.GuiScreen.func_146274_d(GuiScreen.java:548) at net.minecraft.client.gui.GuiWorldSelection.func_146274_d(SourceFile:50) at net.minecraft.client.gui.GuiScreen.func_146269_k(GuiScreen.java:517) -- Affected screen -- Details: Screen name: net.minecraft.client.gui.GuiWorldSelection Stacktrace: at net.minecraft.client.Minecraft.func_71407_l(Minecraft.java:1700) at net.minecraft.client.Minecraft.func_71411_J(Minecraft.java:1055) at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:371) 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) -- System Details -- Details: Minecraft Version: 1.10.2 Operating System: Windows 10 (amd64) version 10.0 Java Version: 1.8.0_25, Oracle Corporation Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation Memory: 448757464 bytes (427 MB) / 746946560 bytes (712 MB) up to 1060372480 bytes (1011 MB) JVM Flags: 6 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx1G -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalMode -XX:-UseAdaptiveSizePolicy -Xmn128M IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0 FML: MCP 9.32 Powered by Forge 12.18.2.2099 Optifine OptiFine_1.10.2_HD_U_D4 5 mods loaded, 5 mods active States: 'U' = Unloaded 'L' = Loaded 'C' = Constructed 'H' = Pre-initialized 'I' = Initialized 'J' = Post-initialized 'A' = Available 'D' = Disabled 'E' = Errored UCHIJA mcp{9.19} [Minecraft Coder Pack] (minecraft.jar) UCHIJA FML{8.0.99.99} [Forge Mod Loader] (forge-1.10.2-12.18.2.2099.jar) UCHIJA Forge{12.18.2.2099} [Minecraft Forge] (forge-1.10.2-12.18.2.2099.jar) UCHIJA MumbleLink{1.10.2-4.2.3} [MumbleLink for Forge] (MumbleLink-1.10.2-4.2.3.jar) UCHIJA ExtendedPASupport{1.0.0} [ExtendedPASupport for MumbleLink] (MumbleLink-1.10.2-4.2.3.jar) Loaded coremods (and transformers): GL info: ' Vendor: 'NVIDIA Corporation' Version: '4.5.0 NVIDIA 375.95' Renderer: 'GeForce GTX 950/PCIe/SSE2' Launched Version: 1.10.2 LWJGL: 2.9.4 OpenGL: GeForce GTX 950/PCIe/SSE2 GL version 4.5.0 NVIDIA 375.95, 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: DurzoCraft_2.1.zip Current Language: Français (France) Profiler Position: N/A (disabled) CPU: 4x Intel(R) Core(TM) i5-6400 CPU @ 2.70GHz OptiFine Version: OptiFine_1.10.2_HD_U_D4 Render Distance Chunks: 12 Mipmaps: 4 Anisotropic Filtering: 1 Antialiasing: 0 Multitexture: false Shaders: null OpenGlVersion: 4.5.0 NVIDIA 375.95 OpenGlRenderer: GeForce GTX 950/PCIe/SSE2 OpenGlVendor: NVIDIA Corporation CpuCount: 4