Not sure how to fix it myself and my friends don't have the same problems I do.
cpw.mods.fml.common.LoaderException: java.lang.NoClassDefFoundError: codechicken/nei/recipe/ICraftingHandler
at cpw.mods.fml.common.LoadController.transition(LoadController.java:163)
at cpw.mods.fml.common.Loader.preinitializeMods(Loader.java:559)
at cpw.mods.fml.client.FMLClientHandler.beginMinecraftLoading(FMLClientHandler.java:243)
at net.minecraft.client.Minecraft.func_71384_a(Minecraft.java:480)
at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:878)
at net.minecraft.client.main.Main.main(SourceFile:148)
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.NoClassDefFoundError: codechicken/nei/recipe/ICraftingHandler
at tonius.neiintegration.mods.Integrations.getIntegrations(Integrations.java:19)
at tonius.neiintegration.NEIIntegration.preInit(NEIIntegration.java:37)
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 cpw.mods.fml.common.FMLModContainer.handleModStateEvent(FMLModContainer.java:532)
at sun.reflect.GeneratedMethodAccessor3.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:483)
at com.google.common.eventbus.EventSubscriber.handleEvent(EventSubscriber.java:74)
at com.google.common.eventbus.SynchronizedEventSubscriber.handleEvent(SynchronizedEventSubscriber.java:47)
at com.google.common.eventbus.EventBus.dispatch(EventBus.java:322)
at com.google.common.eventbus.EventBus.dispatchQueuedEvents(EventBus.java:304)
at com.google.common.eventbus.EventBus.post(EventBus.java:275)
at cpw.mods.fml.common.LoadController.sendEventToModContainer(LoadController.java:212)
at cpw.mods.fml.common.LoadController.propogateStateMessage(LoadController.java:190)
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 com.google.common.eventbus.EventSubscriber.handleEvent(EventSubscriber.java:74)
at com.google.common.eventbus.SynchronizedEventSubscriber.handleEvent(SynchronizedEventSubscriber.java:47)
at com.google.common.eventbus.EventBus.dispatch(EventBus.java:322)
at com.google.common.eventbus.EventBus.dispatchQueuedEvents(EventBus.java:304)
at com.google.common.eventbus.EventBus.post(EventBus.java:275)
at cpw.mods.fml.common.LoadController.distributeStateMessage(LoadController.java:119)
at cpw.mods.fml.common.Loader.preinitializeMods(Loader.java:556)
... 10 more
Caused by: java.lang.ClassNotFoundException: codechicken.nei.recipe.ICraftingHandler
at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:191)
at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
... 38 more
Caused by: java.lang.NullPointerException
at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:182)
... 40 more
A detailed walkthrough of the error, its code path and all known details is as follows:
---------------------------------------------------------------------------------------
-- System Details --
Details:
Minecraft Version: 1.7.10
Operating System: Windows 7 (amd64) version 6.1
Java Version: 1.8.0_25, Oracle Corporation
Java VM Version: Java HotSpot 64-Bit Server VM (mixed mode), Oracle Corporation
Memory: 402917296 bytes (384 MB) / 1060372480 bytes (1011 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
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 v9.05 FML v7.10.99.99 Minecraft Forge 10.13.4.1558 25 mods loaded, 25 mods active
States: 'U' = Unloaded 'L' = Loaded 'C' = Constructed 'H' = Pre-initialized 'I' = Initialized 'J' = Post-initialized 'A' = Available 'D' = Disabled 'E' = Errored
UCH mcp{9.05} [Minecraft Coder Pack] (minecraft.jar)
UCH FML{7.10.99.99} [Forge Mod Loader] (forge-1.7.10-10.13.4.1558-1.7.10.jar)
UCH Forge{10.13.4.1558} [Minecraft Forge] (forge-1.7.10-10.13.4.1558-1.7.10.jar)
UCH CodeChickenCore{1.0.6.41} [CodeChicken Core] (minecraft.jar)
UCH koresample{1.7.10-1.3.2} [Kore Sample] (KoreSample-1.7.10-1.3.2.jar)
UCH dendrology{1.7.10-1.6.4} [Ancient Trees] (AncientTrees-1.7.10-1.6.4.jar)
UCH BuildCraft|Core{7.1.10} [buildCraft] (buildcraft-7.1.10.jar)
UCH BuildCraft|Builders{7.1.10} [bC Builders] (buildcraft-7.1.10.jar)
UCH BuildCraft|Transport{7.1.10} [bC Transport] (buildcraft-7.1.10.jar)
UCH BuildCraft|Energy{7.1.10} [bC Energy] (buildcraft-7.1.10.jar)
UCH BuildCraft|Silicon{7.1.10} [bC Silicon] (buildcraft-7.1.10.jar)
UCH BuildCraft|Robotics{7.1.10} [bC Robotics] (buildcraft-7.1.10.jar)
UCH BuildCraft|Factory{7.1.10} [bC Factory] (buildcraft-7.1.10.jar)
UCH BuildCraft|Compat{7.1.1} [buildCraft Compat] (buildcraft-compat-7.1.1.jar)
UCH PTRModelLib{1.0.0} [PTRModelLib] (Decocraft-2.2.1_1.7.10.jar)
UCH props{2.2.1} [Decocraft] (Decocraft-2.2.1_1.7.10.jar)
UCH ImmibisCore{59.1.2} [immibis Core] (immibis-core-59.1.2.jar)
UCH LogisticsPipes{0.9.3.54} [Logistics Pipes] (logisticspipes-0.9.3.54.jar)
UCH cfm{3.4.8} [§9MrCrayfish's Furniture Mod] (MrCrayfishFurnitureModv3.4.8(1.7.10).jar)
UCE neiintegration{1.0.13} [NEI Integration] (NEIIntegration-MC1.7.10-1.0.13.jar)
UCH harvestcraft{1.7.10j} [Pam's HarvestCraft] (Pam's HarvestCraft 1.7.10k.jar)
UCH Railcraft{9.8.0.0} [Railcraft] (Railcraft_1.7.10-9.8.0.0.jar)
UCH theWeedMod{2.2.2a} [The Weed Mod] (theweedmod-2.2.2a.jar)
UCH Tubestuff{59.0.4} [Tubestuff] (tubestuff-59.0.4.jar)
UCH worldedit{6.0-beta-01} [WorldEdit] (worldedit-forge-mc1.7.10-6.0-beta-01.jar)
GL info: ' Vendor: 'NVIDIA Corporation' Version: '4.5.0 NVIDIA 353.30' Renderer: 'GeForce GTX 970/PCIe/SSE2'