Seems it conflicts with atomicstryker's power converters mod and crashes MC at start up. Crash report in spoiler.
---- Minecraft Crash Report ----
// Don't be sad, have a hug! <3
Time: 12/14/12 5:32 PM
Description: Failed to start game
java.lang.IllegalArgumentException: Slot 190 is already occupied by atomicstryker.powerconverters.common.BlockPowerConverter@4b0c56a8 when adding org.ldg.seedmanager.SeedManagerBlock@170d5616
at amj.<init>(Block.java:292)
at amj.<init>(Block.java:325)
at aju.<init>(BlockContainer.java:13)
at org.ldg.seedmanager.SeedManagerBlock.<init>(SeedManagerBlock.java:64)
at org.ldg.seedmanager.SeedManager.init(SeedManager.java:107)
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 cpw.mods.fml.common.FMLModContainer.handleModStateEvent(FMLModContainer.java:440)
at sun.reflect.GeneratedMethodAccessor5.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at com.google.common.eventbus.EventHandler.handleEvent(EventHandler.java:69)
at com.google.common.eventbus.SynchronizedEventHandler.handleEvent(SynchronizedEventHandler.java:45)
at com.google.common.eventbus.EventBus.dispatch(EventBus.java:317)
at com.google.common.eventbus.EventBus.dispatchQueuedEvents(EventBus.java:300)
at com.google.common.eventbus.EventBus.post(EventBus.java:268)
at cpw.mods.fml.common.LoadController.propogateStateMessage(LoadController.java:140)
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 com.google.common.eventbus.EventHandler.handleEvent(EventHandler.java:69)
at com.google.common.eventbus.SynchronizedEventHandler.handleEvent(SynchronizedEventHandler.java:45)
at com.google.common.eventbus.EventBus.dispatch(EventBus.java:317)
at com.google.common.eventbus.EventBus.dispatchQueuedEvents(EventBus.java:300)
at com.google.common.eventbus.EventBus.post(EventBus.java:268)
at cpw.mods.fml.common.LoadController.distributeStateMessage(LoadController.java:83)
at cpw.mods.fml.common.Loader.initializeMods(Loader.java:651)
at cpw.mods.fml.client.FMLClientHandler.finishMinecraftLoading(FMLClientHandler.java:197)
at net.minecraft.client.Minecraft.a(Minecraft.java:469)
at net.minecraft.client.Minecraft.run(Minecraft.java:756)
at java.lang.Thread.run(Unknown Source)
A detailed walkthrough of the error, its code path and all known details is as follows:
---------------------------------------------------------------------------------------
-- System Details --
Details:
Minecraft Version: 1.4.5
Operating System: Windows 7 (amd64) version 6.1
Java Version: 1.7.0_09, Oracle Corporation
Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
Memory: 375245208 bytes (357 MB) / 511180800 bytes (487 MB) up to 954466304 bytes (910 MB)
JVM Flags: 2 total; -Xms512m -Xmx1024m
AABB Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
Suspicious classes: FML and Forge are installed
IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
FML: MCP v7.23 FML v4.5.17.479 Minecraft Forge 6.4.1.430 22 mods loaded, 22 mods active
mcp [Minecraft Coder Pack] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized
FML [Forge Mod Loader] (coremods) Unloaded->Constructed->Pre-initialized->Initialized
Forge [Minecraft Forge] (coremods) Unloaded->Constructed->Pre-initialized->Initialized
mod_ReiMinimap [mod_ReiMinimap] ([1.4.4]ReiMinimap_v3.2_05.zip) Unloaded->Constructed->Pre-initialized->Initialized
BuildCraft|Core [BuildCraft] (buildcraft-A-3.2.2.jar) Unloaded->Constructed->Pre-initialized->Initialized
BuildCraft|Factory [BC Factory] (buildcraft-A-3.2.2.jar) Unloaded->Constructed->Pre-initialized->Initialized
BuildCraft|Transport [BC Transport] (buildcraft-A-3.2.2.jar) Unloaded->Constructed->Pre-initialized->Initialized
BuildCraft|Silicon [BC Silicon] (buildcraft-A-3.2.2.jar) Unloaded->Constructed->Pre-initialized->Initialized
APUnofficial [Additional Pipes Unofficial] (AdditionalPipes-2.1.3u35.jar) Unloaded->Constructed->Pre-initialized->Initialized
IC2 [IndustrialCraft 2] (industrialcraft-2_1.110.137-lf.jar) Unloaded->Constructed->Pre-initialized->Initialized
AdvancedMachines [IC2 Advanced Machines Addon] (AdvancedMachines_4.6.zip) Unloaded->Constructed->Pre-initialized->Initialized
BuildCraft|Energy [BC Energy] (buildcraft-A-3.2.2.jar) Unloaded->Constructed->Pre-initialized->Initialized
BCIC2Crossover [BC-IC2 Crossover Mod] (BCIC2crossover 2.0 pre1a.zip) Unloaded->Constructed->Pre-initialized->Initialized
BuildCraft|Builders [BC Builders] (buildcraft-A-3.2.2.jar) Unloaded->Constructed->Pre-initialized->Initialized
EE3 [Equivalent Exchange 3] (ee3-universal-pre1d.jar) Unloaded->Constructed->Pre-initialized->Initialized
EnderStorage [EnderStorage] (EnderStorage 1.3.0.4.jar) Unloaded->Constructed->Pre-initialized->Initialized
Forestry [Forestry for Minecraft] (forestry-A-1.6.2.8.jar) Unloaded->Constructed->Pre-initialized->Initialized
IC2NuclearControl [Nuclear Control] (IC2NuclearControl-1.4.4.zip) Unloaded->Constructed->Pre-initialized->Initialized
NetherOres [Nether Ores] (NetherOres_1.4.4.zip) Unloaded->Constructed->Pre-initialized->Initialized
PowerConverters [Power Converters] (PowerConverters_1.4.4.zip) Unloaded->Constructed->Pre-initialized->Initialized
Railcraft [Railcraft] (Railcraft_1.4.5b-6.10.0.0.zip) Unloaded->Constructed->Pre-initialized->Initialized
IC2.SeedManager [SeedManager] (SeedManager-3.0.2-universal.zip) Unloaded->Constructed->Pre-initialized->Errored
LWJGL: 2.4.2
OpenGL: GeForce GTX 580/PCIe/SSE2 GL version 4.2.0, NVIDIA Corporation
Is Modded: Definitely; Client brand changed to 'forge,fml'
Type: Client (map_client.txt)
Texture Pack: Default
Profiler Position: N/A (disabled)
Vec3 Pool Size: ~~ERROR~~ NullPointerException: null