Please HELP! an internal error occurred

so i've started a tekkit server and having some problems with it take a look
so frist my permission and comands dont work properly it says
( an internal error occurred while attempting to perform this command)
and my plugins dont work ever so im asking for help please and thank you


05.05 06:08:20 [Server] Startup Done (1.769s)! For help, type "help" or "?"
05.05 06:08:20 [Server] INFO [DEBUG][DC] [all] Processing item [285::0]...
05.05 06:08:20 [Server] INFO [DEBUG][DC] [all] Processing item [293::0]...
05.05 06:08:20 [Server] INFO [DEBUG][DC] [all] Processing item [279::0]...
05.05 06:08:20 [Server] INFO [DEBUG][DC] [all] Processing item [277::0]...
05.05 06:08:20 [Server] INFO [DEBUG][DC] [all] Processing item [278::0]...
05.05 06:08:20 [Server] INFO [DEBUG][DC] [all] Processing item [292::0]...
05.05 06:08:20 [Server] INFO [DEBUG][DC] [all] Processing item [258::0]...
05.05 06:08:20 [Server] INFO [DEBUG][DC] [all] Processing item [256::0]...
05.05 06:08:20 [Server] INFO [DEBUG][DC] [all] Processing item [257::0]...
05.05 06:08:20 [Server] INFO [DEBUG][DC] [all] Processing item [291::0]...
05.05 06:08:20 [Server] INFO [DEBUG][DC] [all] Processing item [275::0]...
05.05 06:08:20 [Server] INFO [DEBUG][DC] [all] Processing item [273::0]...
05.05 06:08:20 [Server] INFO [DEBUG][DC] [all] Processing item [274::0]...
05.05 06:08:20 [Server] INFO [DEBUG][DC] [all] Processing item [290::0]...
05.05 06:08:20 [Server] INFO [DEBUG][DC] [all] Processing item [271::0]...
05.05 06:08:20 [Server] INFO [DEBUG][DC] [all] Processing item [269::0]...
05.05 06:08:20 [Server] INFO [DEBUG][DC] [all] Processing item [270::0]...
05.05 06:08:20 [Server] INFO [INFO][DC] ForgeOre detected
05.05 06:08:20 [Server] INFO [INFO][DC] IC2 detected
05.05 06:08:20 [Server] INFO [INFO][DC] Redpower detected
05.05 06:08:20 [Server] INFO [DEBUG][DC] key:is1=[0::0]
05.05 06:08:20 [Server] INFO [INFO][DC] Rework of NoCraft[ic2 compatible]
05.05 06:08:20 [Server] INFO Enabling disablecraft v1.b
05.05 06:08:20 [Server] INFO File is there.
05.05 06:08:20 [Server] INFO AutoBroadcaster version 0.2 is enabled!
05.05 06:08:20 [Server] INFO Enabling AutoBroadcaster v0.2
05.05 06:08:20 [Server] INFO WEPIF: bPermissions detected! Using bPermissions for permissions
05.05 06:08:20 [Server] INFO Enabling WorldEdit v5.5.6
05.05 06:08:20 [Server] INFO Enabling bPermissions v2.10.4
05.05 06:08:20 [Server] INFO Preparing spawn area: 89%
05.05 06:08:19 [Server] INFO Preparing start region for level 2 (Seed: -7056395538864195606)
05.05 06:08:19 [Server] INFO Preparing start region for level 1 (Seed: -7056395538864195606)
05.05 06:08:19 [Server] WARNING Could not get information about this CraftBukkit version; perhaps you are running a custom one?: FileNotFoundException
05.05 06:08:19 [Server] INFO Preparing start region for level 0 (Seed: 4648309983025894315)
05.05 06:08:19 [Server] INFO Registering world world_nether, dimension -1, of providertype net.minecraft.server.WorldProviderHell@5e9861b7(0) with Minecraft Forge
05.05 06:08:19 [Server] INFO Registering world world_the_end, dimension 1, of providertype net.minecraft.server.WorldProviderTheEnd@4fac7f84(0) with Minecraft Forge
05.05 06:08:19 [Server] INFO Registering world world, dimension 0, of providertype net.minecraft.server.WorldProviderNormal@2f6449e1(0) with Minecraft Forge
05.05 06:08:19 [Server] INFO Default game type: 0
05.05 06:08:19 [Server] INFO Preparing level "world"
05.05 06:08:19 [Multicraft] Skipped 172 lines due to rate limit (60/s)
05.05 06:08:18 [Server] INFO INFO: Loading SensorModule: APS
05.05 06:08:18 [Server] INFO INFO: Loading SensorModule: EquivalentExchange
05.05 06:08:18 [Server] INFO INFO: Loading SensorModule: RedPower2
05.05 06:08:18 [Server] INFO INFO: mod_Forestry not found - SensorModule is disabled.
05.05 06:08:18 [Server] INFO INFO: Loading SensorModule: Forestry
05.05 06:08:18 [Server] INFO INFO: Loading SensorModule: IndustrialCraft2
05.05 06:08:18 [Server] INFO INFO: Loading SensorModule: Buildcraft
05.05 06:08:18 [Server] INFO CONFLICT @ -41 item slot already occupied by ccSensors.shared.ItemComputerSensorBlock@2cff8c2a while adding net.minecraft.server.ItemBlock@3d4b307a
05.05 06:08:18 [Server] INFO CONFLICT @ 1237 item slot already occupied by ccSensors.shared.ItemWiFiTransmitter@17cef68c while adding ccSensors.shared.ItemWiFiTransmitter@149c6d8a
05.05 06:08:18 [Server] INFO http://www.mod-buildcraft.com
05.05 06:08:18 [Server] INFO Copyright (c) SpaceToad, 2011
05.05 06:08:18 [Server] INFO Starting BuildCraft 2.2.14
05.05 06:08:18 [Server] INFO RedPowerCore: MinecraftForge minor version mismatch, expecting 3.1.x, may lead to unexpected behavior
05.05 06:08:18 [Server] INFO Config loaded from /./config/IC2.cfg
05.05 06:08:18 [Multicraft] Skipped 442 lines due to rate limit (60/s)
05.05 06:08:17 [Server] INFO Loading mods from /jar/mods
05.05 06:08:17 [Server] INFO Forge Mod Loader version 2.2.91.173 for Minecraft 1.2.5 loading
05.05 06:08:17 [Server] INFO Completed early MinecraftForge initialization
05.05 06:08:17 [Server] INFO Attempting early MinecraftForge initialization
05.05 06:08:17 [Server] INFO Starting minecraft server version 1.2.5
05.05 06:08:17 [Server] INFO 27 achievements
05.05 06:08:17 [Server] INFO 182 recipes
05.05 06:08:16 [Multicraft] Loaded config for "Default"
05.05 06:08:16 [Multicraft] Starting server!
05.05 06:08:16 [Multicraft] Loading server properties