I was just wondering how to getrid of this error so me and mates can play Tekkit
C:\Users\Computer\Desktop\Tekkit>java -Xmx1G -Xms512M -jar Tekkit.jar nogui
182 recipes
27 achievements
16:41:34 [iNFO] Starting minecraft server version 1.2.5
16:41:34 [iNFO] Attempting early MinecraftForge initialization
16:41:34 [iNFO] Completed early MinecraftForge initialization
16:41:34 [iNFO] Forge Mod Loader version 2.2.91.162 for Minecraft 1.2.5 loading
16:41:34 [iNFO] Loading mods from C:\Users\Todd\Desktop\Tekkit\mods
16:41:35 [iNFO] Directory weaponmod contained no mods
16:41:35 [iNFO] Forge Mod Loader has loaded 36 mods
16:41:35 [iNFO] MinecraftForge v3.3.8.152 Initialized
16:41:35 [iNFO] MinecraftForge v3.3.8.152 Initialized
16:41:35 [iNFO] [WeaponMod] Properties file read succesfully!
16:41:35 [WARNING] Configuration for mod_ComputerCraft.enableAPI_http found valu
e 0 outside acceptable range 4.9E-324,1.7976931348623157E308
16:41:35 [iNFO] Loading ComputerCraft: To change block IDs, modify config/mod_Co
mputerCraft.cfg
16:41:35 [iNFO] ComputerCraft: computerBlockID 207
16:41:35 [iNFO] ComputerCraft: diskDriveBlockID 208
16:41:35 [iNFO] ComputerCraft: diskItemID 4000
16:41:35 [iNFO] CONFLICT @ -49 item slot already occupied by dan200.computer.sha
red.ItemComputer@a21d88 while adding net.minecraft.server.ItemBlock@140f306
16:41:35 [iNFO] ComputerCraft: Searching for RedPowerLib...
16:41:35 [iNFO] ComputerCraft: RedPowerLib and methods located.
16:41:35 [iNFO] CONFLICT @ -48 item slot already occupied by dan200.computer.sha
red.ItemPeripheral@10984e0 while adding net.minecraft.server.ItemBlock@1f2c60d
16:41:35 [iNFO] Initializing alchemy values for Equivalent Exchange..
16:41:35 [iNFO] NetherOres: loaded Macerator Recipes
16:41:35 [iNFO] Loading properties
16:41:35 [iNFO] Starting Minecraft server on *:25565
16:41:36 [iNFO] Loaded codechicken.wirelessredstone.core.CommandFreq
16:41:36 [iNFO] [iC2] Config loaded from C:\Users\Todd\Desktop\Tekkit\.\config\I
C2.cfg
16:41:36 [iNFO] CONFLICT @ -37 item slot already occupied by ic2.platform.ItemBl
ockCommon@19a8bd1 while adding net.minecraft.server.ItemBlock@151516b
16:41:36 [iNFO] CONFLICT @ -30 item slot already occupied by ic2.platform.ItemBl
ockCommon@1b8738f while adding net.minecraft.server.ItemBlock@aad926
16:41:36 [iNFO] CONFLICT @ -17 item slot already occupied by ic2.platform.ItemBl
ockCommon@6c0370 while adding net.minecraft.server.ItemBlock@155bfb7
16:41:36 [iNFO] CONFLICT @ -19 item slot already occupied by ic2.platform.ItemBl
ockCommon@9db94d while adding net.minecraft.server.ItemBlock@f0916c
16:41:36 [iNFO] CONFLICT @ -20 item slot already occupied by ic2.platform.ItemBl
ockCommon@1db71f1 while adding net.minecraft.server.ItemBlock@158f66
16:41:36 [iNFO] CONFLICT @ -18 item slot already occupied by ic2.platform.ItemBl
ockCommon@1798826 while adding net.minecraft.server.ItemBlock@1d9954b
16:41:36 [iNFO] CONFLICT @ -78 item slot already occupied by net.minecraft.serve
r.ItemBlock@1352ff7 while adding codechicken.enderstorage.ItemEnderChest@e03e45
16:41:36 [iNFO] CompactSolars: MinecraftForge minor version mismatch, expecting
3.2.x, may lead to unexpected behavior
16:41:36 [iNFO] CONFLICT @ -204 item slot already occupied by net.minecraft.serv
er.ItemWithAuxData@10de279 while adding net.minecraft.server.ItemMobSpawner@8f82
c8
16:41:36 [iNFO] RedPowerCore: MinecraftForge minor version mismatch, expecting 3
.1.x, may lead to unexpected behavior
16:41:36 [iNFO] Starting BuildCraft 2.2.14
16:41:36 [iNFO] Copyright © SpaceToad, 2011
16:41:36 [iNFO] http://www.mod-buildcraft.com
16:41:36 [iNFO] [iC2] Loading IC2 submodule: bcIntegration22x
16:41:36 [iNFO] [iC2] BuildCraft integration module loaded
16:41:36 [iNFO] [iC2] Loaded minor compatibility modules: none
16:41:36 [iNFO] ComputerCraft: turtleBlockID 216
16:41:36 [iNFO] CONFLICT @ -40 item slot already occupied by dan200.turtle.share
d.ItemTurtle@82448a while adding net.minecraft.server.ItemBlock@61d2bf
16:41:36 [iNFO] Forge Mod Loader load complete, 36 mods loaded
16:41:36 [iNFO] This server is running CraftBukkit version git-Bukkit-jenkins-Cr
aftBukkit-162 (MC: 1.2.5) (Implementing API version 1.2.5-R4.1-MCPC-SNAPSHOT)
16:41:36 [iNFO] Loading mod_WirelessRedstoneAddons vForgeMod
16:41:36 [iNFO] Loading mod_IronChest vForgeMod
16:41:36 [iNFO] Loading mod_BuildCraftEnergy vForgeMod
16:41:36 [iNFO] Loading mod_IC2_ChargingBench vForgeMod
16:41:36 [iNFO] Loading mod_RedPowerWiring vForgeMod
16:41:36 [iNFO] Loading mod_MinecraftForge vForgeMod
16:41:36 [iNFO] Loading mod_RedPowerControl vForgeMod
16:41:36 [iNFO] Loading mod_BuildCraftCore vForgeMod
16:41:36 [iNFO] Loading mod_ImmibisCore vForgeMod
16:41:36 [iNFO] Loading mod_BuildCraftFactory vForgeMod
16:41:36 [iNFO] Loading mod_IC2 vForgeMod
16:41:36 [iNFO] Loading mod_BuildCraftBuilders vForgeMod
16:41:36 [iNFO] Loading mod_RedPowerMachine vForgeMod
16:41:36 [iNFO] Loading mod_RedPowerLighting vForgeMod
16:41:36 [iNFO] Loading mod_NetherOres vForgeMod
16:41:36 [iNFO] Loading mod_RedPowerWorld vForgeMod
16:41:36 [iNFO] Loading mod_ComputerCraft vForgeMod
16:41:36 [iNFO] Loading mod_EE vForgeMod
16:41:36 [iNFO] Loading mod_TubeStuff vForgeMod
16:41:36 [iNFO] Loading mod_BuildCraftTransport vForgeMod
16:41:36 [iNFO] Loading mod_NotEnoughItems vForgeMod
16:41:36 [iNFO] Loading mod_PowerConverters vForgeMod
16:41:36 [iNFO] Loading mod_AdditionalPipes vForgeMod
16:41:36 [iNFO] Loading mod_Railcraft vForgeMod
16:41:36 [iNFO] Loading mod_IC2AdvancedMachines vForgeMod
16:41:36 [iNFO] Loading mod_CCTurtle vForgeMod
16:41:36 [iNFO] Loading mod_RedPowerCore vForgeMod
16:41:36 [iNFO] Loading mod_RedPowerLogic vForgeMod
16:41:36 [iNFO] Loading mod_WirelessRedstoneRedPower vForgeMod
16:41:36 [iNFO] Loading mod_IC2NuclearControl vForgeMod
16:41:36 [iNFO] Loading mod_ModularForceFieldSystem vForgeMod
16:41:36 [iNFO] Loading mod_CompactSolars vForgeMod
16:41:36 [iNFO] Loading mod_EnderStorage vForgeMod
16:41:36 [iNFO] Loading mod_WirelessRedstoneCore vForgeMod
16:41:36 [iNFO] Loading Balkon's WeaponMod vForgeMod
16:41:36 [iNFO] Loading mod_CodeChickenCore vForgeMod
16:41:36 [iNFO] Preparing level "Tekkit "
16:41:36 [iNFO] Default game type: 0
16:41:36 [sEVERE] java.io.FileNotFoundException: .\Tekkit \session.lock (The f
ilename, directory name, or volume label syntax is incorrect)
16:41:36 [sEVERE] at java.io.FileOutputStream.open(Native Method)
16:41:36 [sEVERE] at java.io.FileOutputStream.<init>(Unknown Source)
16:41:36 [sEVERE] at java.io.FileOutputStream.<init>(Unknown Source)
16:41:36 [sEVERE] at net.minecraft.server.WorldNBTStorage.f(WorldNBTStorag
e.java:44)
16:41:36 [sEVERE] at net.minecraft.server.WorldNBTStorage.<init>(WorldNBTS
torage.java:38)
16:41:36 [sEVERE] at net.minecraft.server.ServerNBTManager.<init>(ServerNB
TManager.java:9)
16:41:36 [sEVERE] at net.minecraft.server.MinecraftServer.a(MinecraftServe
r.java:276)
16:41:36 [sEVERE] at net.minecraft.server.MinecraftServer.init(MinecraftSe
rver.java:208)
16:41:36 [sEVERE] at net.minecraft.server.MinecraftServer.run(MinecraftSer
ver.java:438)
16:41:36 [sEVERE] at net.minecraft.server.ThreadServerApplication.run(Sour
ceFile:492)
16:41:36 [sEVERE] java.lang.RuntimeException: Failed to check session lock, abor
ting
16:41:36 [sEVERE] at net.minecraft.server.WorldNBTStorage.f(WorldNBTStorag
e.java:53)
16:41:36 [sEVERE] at net.minecraft.server.WorldNBTStorage.<init>(WorldNBTS
torage.java:38)
16:41:36 [sEVERE] at net.minecraft.server.ServerNBTManager.<init>(ServerNB
TManager.java:9)
16:41:36 [sEVERE] at net.minecraft.server.MinecraftServer.a(MinecraftServe
r.java:276)
16:41:36 [sEVERE] at net.minecraft.server.MinecraftServer.init(MinecraftSe
rver.java:208)
16:41:36 [sEVERE] at net.minecraft.server.MinecraftServer.run(MinecraftSer
ver.java:438)
16:41:36 [sEVERE] at net.minecraft.server.ThreadServerApplication.run(Sour
ceFile:492)
16:41:36 [sEVERE] Unexpected exception
java.lang.RuntimeException: Failed to check session lock, aborting
at net.minecraft.server.WorldNBTStorage.f(WorldNBTStorage.java:53)
at net.minecraft.server.WorldNBTStorage.<init>(WorldNBTStorage.java:38)
at net.minecraft.server.ServerNBTManager.<init>(ServerNBTManager.java:9)
at net.minecraft.server.MinecraftServer.a(MinecraftServer.java:276)
at net.minecraft.server.MinecraftServer.init(MinecraftServer.java:208)
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:438)
at net.minecraft.server.ThreadServerApplication.run(SourceFile:492)
16:41:38 [WARNING] Could not get information about this CraftBukkit version; per
haps you are running a custom one?: FileNotFoundException
How would i fix this, any input is appreciated alot .