Fuzzygreen

But then it wont crash

I did that when i posted

Its true :'(

Thats the only mod

All the times i open a world the game crashes with this text: ---- Minecraft Crash Report ---- // Daisy, daisy... Time: 09/12/14 5:07 PM Description: Exception in server tick loop java.lang.NoSuchFieldError: field_71312_k at net.minecraft.server.integrated.IntegratedServer.func_71247_a(IntegratedServer.java:112) at net.minecraft.server.integrated.IntegratedServer.func_71197_b(IntegratedServer.java:196) at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:438) at java.lang.Thread.run(Unknown Source) A detailed walkthrough of the error, its code path and all known details is as follows: --------------------------------------------------------------------------------------- -- System Details -- Details: Minecraft Version: 1.8 Operating System: Windows 7 (x86) version 6.1 Java Version: 1.7.0_71, Oracle Corporation Java VM Version: Java HotSpot Client VM (mixed mode), Oracle Corporation Memory: 165568712 bytes (157 MB) / 313286656 bytes (298 MB) up to 523501568 bytes (499 MB) JVM Flags: 6 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx512M -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalMode -XX:-UseAdaptiveSizePolicy -Xmn128M IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0 FML: MCP v9.10 FML v8.0.12.1261 Minecraft Forge 11.14.0.1261 Optifine OptiFine_1.8_HD_U_B2 3 mods loaded, 3 mods active mcp{9.05} [Minecraft Coder Pack] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available FML{8.0.12.1261} [Forge Mod Loader] (forge-1.8-11.14.0.1261-1.8.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available Forge{11.14.0.1261} [Minecraft Forge] (forge-1.8-11.14.0.1261-1.8.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available Profiler Position: N/A (disabled) Player Count: 0 / 8; [] Type: Integrated Server (map_client.txt) Is Modded: Definitely; Client brand changed to 'fml,forge' Please help :'(