Not sure if this addon was intended for server use, but I was trying to set up a server with this on it. Upon logging in to the server with a freshly loaded client however, the client will crash to desktop. It does, however, work in single player. The crash report is here if you want to look into it. I have some other addons and mods on as well, but I've already gone through and enabled one at a time, and it only does the crash with Cellars enabled. I'm using TFC 0.79.18.673 with Cellars 1.05. Crash Report - ---- Minecraft Crash Report ---- // Ooh. Shiny.Time: 5/2/15 10:46 PMDescription: Ticking screenjava.lang.NullPointerException: Ticking screenat com.bioxx.tfc.Core.TFC_Core.getSuperSeed(TFC_Core.java:1393)at com.bioxx.tfc.api.Crafting.AnvilRecipe.<init>(AnvilRecipe.java:30)at sladki.tfc.ModManager.registerAnvilRecipes(ModManager.java:198)at sladki.tfc.Handlers.ChunkEventHandler.onLoadWorld(ChunkEventHandler.java:12)at cpw.mods.fml.common.eventhandler.ASMEventHandler_80_ChunkEventHandler_onLoadWorld_Load.invoke(.dynamic)at cpw.mods.fml.common.eventhandler.ASMEventHandler.invoke(ASMEventHandler.java:54)at cpw.mods.fml.common.eventhandler.EventBus.post(EventBus.java:138)at net.minecraft.client.multiplayer.WorldClient.<init>(WorldClient.java:61)at net.minecraft.client.network.NetHandlerPlayClient.func_147282_a(NetHandlerPlayClient.java:237)at net.minecraft.network.play.server.S01PacketJoinGame.func_148833_a(SourceFile:70)at net.minecraft.network.play.server.S01PacketJoinGame.func_148833_a(SourceFile:13)at net.minecraft.network.NetworkManager.func_74428_b(NetworkManager.java:212)at net.minecraft.client.multiplayer.GuiConnecting.func_73876_c(SourceFile:78)at net.minecraft.client.Minecraft.func_71407_l(Minecraft.java:1649)at net.minecraft.client.Minecraft.func_71411_J(Minecraft.java:961)at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:887)at net.minecraft.client.main.Main.main(SourceFile:148)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: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:----------------------------------------------------------------------------------------- Head --Stacktrace:at com.bioxx.tfc.Core.TFC_Core.getSuperSeed(TFC_Core.java:1393)at com.bioxx.tfc.api.Crafting.AnvilRecipe.<init>(AnvilRecipe.java:30)at sladki.tfc.ModManager.registerAnvilRecipes(ModManager.java:198)at sladki.tfc.Handlers.ChunkEventHandler.onLoadWorld(ChunkEventHandler.java:12)at cpw.mods.fml.common.eventhandler.ASMEventHandler_80_ChunkEventHandler_onLoadWorld_Load.invoke(.dynamic)at cpw.mods.fml.common.eventhandler.ASMEventHandler.invoke(ASMEventHandler.java:54)at cpw.mods.fml.common.eventhandler.EventBus.post(EventBus.java:138)at net.minecraft.client.multiplayer.WorldClient.<init>(WorldClient.java:61)at net.minecraft.client.network.NetHandlerPlayClient.func_147282_a(NetHandlerPlayClient.java:237)at net.minecraft.network.play.server.S01PacketJoinGame.func_148833_a(SourceFile:70)at net.minecraft.network.play.server.S01PacketJoinGame.func_148833_a(SourceFile:13)at net.minecraft.network.NetworkManager.func_74428_b(NetworkManager.java:212)at net.minecraft.client.multiplayer.GuiConnecting.func_73876_c(SourceFile:78)-- Affected screen --Details:Screen name: net.minecraft.client.multiplayer.GuiConnectingStacktrace:at net.minecraft.client.Minecraft.func_71407_l(Minecraft.java:1649)at net.minecraft.client.Minecraft.func_71411_J(Minecraft.java:961)at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:887)at net.minecraft.client.main.Main.main(SourceFile:148)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:135)at net.minecraft.launchwrapper.Launch.main(Launch.java:28)-- System Details --Details:Minecraft Version: 1.7.10Operating System: Windows 7 (amd64) version 6.1Java Version: 1.7.0_71, Oracle CorporationJava VM Version: Java HotSpot 64-Bit Server VM (mixed mode), Oracle CorporationMemory: 772663280 bytes (736 MB) / 1161297920 bytes (1107 MB) up to 3817865216 bytes (3641 MB)JVM Flags: 3 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx4096m -XX:MaxPermSize=256mAABB Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) usedIntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 17FML: MCP v9.05 FML v7.10.85.1291 Minecraft Forge 10.13.2.1291 13 mods loaded, 13 mods activemcp{9.05} [Minecraft Coder Pack] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->AvailableFML{7.10.85.1291} [Forge Mod Loader] (modpack.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->AvailableForge{10.13.2.1291} [Minecraft Forge] (modpack.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Availabletfc_coremod{0.79.18} [TFC[coremod]] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->AvailableCodeChickenCore{1.0.4.29} [codeChicken Core] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->AvailableNotEnoughItems{1.0.3.74} [Not Enough Items] (NotEnoughItems-1.7.10-1.0.3.74-universal.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Availableterrafirmacraft{0.79.18} [TerraFirmaCraft] ([1.7.10]TerraFirmaCraft-0.79.18.673.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Availabletfccellars{1.05} [CellarsAddon] ([1.7.10]TFCCellarsAddon-1.05.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Availablefarseek{1.0.5} [Farseek] (Farseek-1.0.5.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->AvailableFastCraft{1.21} [FastCraft] (fastcraft-1.21.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Availablestreams{0.1.4} [streams] (Streams-0.1.4.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->AvailableTerraFirmaCraftNEIplugin{1.4.0.19} [TerraFirmaCraftNEIplugin] (TerraFirmaCraftNEIplugin-1.7.10-1.4.0.19.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->AvailableWaila{1.5.7} [Waila] (Waila-1.5.7a_1.7.10.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->AvailableLaunched Version: 1.7.10-Forge10.13.2.1291LWJGL: 2.9.1OpenGL: AMD Radeon HD 6570 GL version 4.3.12618 Compatibility Profile Context 13.251.0.0, ATI Technologies Inc.GL Caps: Using GL 1.3 multitexturing.Using framebuffer objects because OpenGL 3.0 is supported and separate blending is supported.Anisotropic filtering is supported and maximum anisotropy is 16.Shaders are available because OpenGL 2.1 is supported.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)Vec3 Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) usedAnisotropic Filtering: Off (1)