My server is running KCauldron. Its start up fine with camping mod. My client, does not. I don't have any other mods installed other then the mods installed on the server. Please help.

---- Minecraft Crash Report ----
// Oh - I know what I did wrong!

Time: 7/9/15 6:41 PM
Description: Unexpected error

java.lang.NullPointerException: Unexpected error
at com.rikmuld.corerm.core.CoreUtils$InventoryUtils$$anonfun$containsItem$2.apply(Utils.scala:190)
at com.rikmuld.corerm.core.CoreUtils$InventoryUtils$$anonfun$containsItem$2.apply(Utils.scala:190)
at scala.collection.Iterator$class.find(Iterator.scala:796)
at scala.collection.AbstractIterator.find(Iterator.scala:1174)
at scala.collection.IterableLike$class.find(IterableLike.scala:79)
at scala.collection.AbstractIterable.find(Iterable.scala:54)
at com.rikmuld.corerm.core.CoreUtils$InventoryUtils.containsItem(Utils.scala:190)
at com.rikmuld.camping.core.Utils$CampingUtils.hasMap(Utils.scala:74)
at com.rikmuld.camping.core.EventsClient.onOverlayRender(Events.scala:264)
at cpw.mods.fml.common.eventhandler.ASMEventHandler_167_EventsClient_onOverlayRender_RenderGameOverlayEvent.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.minecraftforge.client.GuiIngameForge.pre(GuiIngameForge.java:895)
at net.minecraftforge.client.GuiIngameForge.renderHotbar(GuiIngameForge.java:186)
at net.minecraftforge.client.GuiIngameForge.func_73830_a(GuiIngameForge.java:141)
at net.minecraft.client.renderer.EntityRenderer.func_78480_b(EntityRenderer.java:1038)
at net.minecraft.client.Minecraft.func_71411_J(Minecraft.java:989)
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(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:

-- Head --
Stacktrace:
at com.rikmuld.corerm.core.CoreUtils$InventoryUtils$$anonfun$containsItem$2.apply(Utils.scala:190)
at com.rikmuld.corerm.core.CoreUtils$InventoryUtils$$anonfun$containsItem$2.apply(Utils.scala:190)
at scala.collection.Iterator$class.find(Iterator.scala:796)
at scala.collection.AbstractIterator.find(Iterator.scala:1174)
at scala.collection.IterableLike$class.find(IterableLike.scala:79)
at scala.collection.AbstractIterable.find(Iterable.scala:54)
at com.rikmuld.corerm.core.CoreUtils$InventoryUtils.containsItem(Utils.scala:190)
at com.rikmuld.camping.core.Utils$CampingUtils.hasMap(Utils.scala:74)
at com.rikmuld.camping.core.EventsClient.onOverlayRender(Events.scala:264)
at cpw.mods.fml.common.eventhandler.ASMEventHandler_167_EventsClient_onOverlayRender_RenderGameOverlayEvent.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.minecraftforge.client.GuiIngameForge.pre(GuiIngameForge.java:895)
at net.minecraftforge.client.GuiIngameForge.renderHotbar(GuiIngameForge.java:186)
at net.minecraftforge.client.GuiIngameForge.func_73830_a(GuiIngameForge.java:141)

-- Affected level --
Details:
Level name: MpServer
All players: 1 total; [GCEntityClientPlayerMP['DLCGaming'/1284, l='MpServer', x=231.39, y=106.62, z=-138.12]]
Chunk stats: MultiplayerChunkCache: 190, 190
Level seed: 0
Level generator: ID 01 - flat, ver 0. Features enabled: false
Level generator options:
Level spawn location: World: (39,105,408), Chunk: (at 7,6,8 in 2,25; contains blocks 32,0,400 to 47,255,415), Region: (0,0; contains chunks 0,0 to 31,31, blocks 0,0,0 to 511,255,511)
Level time: 165460377 game time, 120868315 day time
Level dimension: 0
Level storage version: 0x00000 - Unknown?
Level weather: Rain time: 0 (now: false), thunder time: 0 (now: false)
Level game mode: Game mode: creative (ID 1). Hardcore: false. Cheats: false
Forced entities: 6 total; [EntityMinecartEmpty['entity.MinecartRideable.name'/1285, l='MpServer', x=239.47, y=104.34, z=-169.53], EntityMinecartEmpty['entity.MinecartRideable.name'/1286, l='MpServer', x=242.22, y=104.34, z=-169.53], EntityFerfari['entity.carsanddrives.Ferfari.name'/1287, l='MpServer', x=241.88, y=105.00, z=-170.47], EntityItemFrame['entity.ItemFrame.name'/1288, l='MpServer', x=198.50, y=106.50, z=-161.06], EntityItemFrame['entity.ItemFrame.name'/1289, l='MpServer', x=197.50, y=106.50, z=-161.06], GCEntityClientPlayerMP['DLCGaming'/1284, l='MpServer', x=231.39, y=106.62, z=-138.12]]
Retry entities: 0 total; []
Server brand: kcauldron,cauldron,craftbukkit,mcpc,fml,forge
Server type: Non-integrated multiplayer server
Stacktrace:
at net.minecraft.client.multiplayer.WorldClient.func_72914_a(WorldClient.java:373)
at net.minecraft.client.Minecraft.func_71396_d(Minecraft.java:2432)
at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:916)
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)

-- 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(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
Memory: 1150039800 bytes (1096 MB) / 1932787712 bytes (1843 MB) up to 1932787712 bytes (1843 MB)
JVM Flags: 6 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx2G -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalMode -XX:-UseAdaptiveSizePolicy -Xmn2G
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 v7.10.112.1374 Minecraft Forge 10.13.3.1374 23 mods loaded, 23 mods active
mcp{9.05} Minecraft Coder Pack Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
FML{7.10.112.1374} Forge Mod Loader Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
Forge{10.13.3.1374} Minecraft Forge Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
Micdoodlecore{} Micdoodle8 Core Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
OpenModsCore{0.7.3} OpenModsCore Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
securitycraft{v1.7.4.1} [SecurityCraft]([1.7.10] SecurityCraft v1.7.4.1.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
bspkrsCore{6.15} bspkrsCore Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
BiblioCraft{1.7.3} BiblioCraft Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
CarpentersBlocks{3.3.6} [Carpenter's Blocks](Carpenter's Blocks v3.3.6 - MC 1.7.10.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
carsanddrives{1.0.9} [Cars and Drives](Cars and Drives Mod 1.7.10.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
ForgeMultipart{1.1.0.309} Forge Multipart Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
chisel{2.4.1.40} Chisel 2 Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
ctmlib{1.0.1.5} CTMLib Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
customnpcs{1.7.10d} CustomNpcs Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
props{2.0.1} Decocraft Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
McMultipart{1.1.0.309} Minecraft Multipart Plugin Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
GalacticraftCore{3.0.11} Galacticraft Core Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
cfm{3.4.7} §9MrCrayfish's Furniture Mod Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
OpenMods{0.7.3} OpenMods Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
OpenBlocks{1.4.3} OpenBlocks Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
corerm{1.0c} RikMuld's Core Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
camping{2.1g} The Camping Mod 2 Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
ForgeMicroblock{1.1.0.309} Forge Microblocks Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
OpenModsLib class transformers: [stencil_patches:FINISHED],[movement_callback:FINISHED],[map_gen_fix:ENABLED],[gl_capabilities_hook:FINISHED],[player_render_hook:FINISHED]
Class transformer null safety: all safe
Stencil buffer state: Function set: GL30, pool: internal, bits: 8
Launched Version: 1.7.10-Forge10.13.3.1374-1.7.10
LWJGL: 2.9.1
OpenGL: GeForce 9400 GT/PCIe/SSE2 GL version 3.3.0, NVIDIA Corporation
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) used
Anisotropic Filtering: Off (1)

I'm sorry but the version of the mod you are using is no longer supported (I will only work no the version for MC 1.8).