Hello,

tried to update from buildcraft 6.1.1 build 493 to 6.1.2 build 511 and got the following error on server startup:

All Configs and Mod Versions could be found on:
https://github.com/BakermanLP/ModpackProjectRETv7

[10:58:19] [Server thread/ERROR]: Caught exception from BuildCraft|Silicon
java.lang.IllegalArgumentException: Can't remap a block to an item.
at cpw.mods.fml.common.event.FMLMissingMappingsEvent$MissingMapping.remap(FMLMissingMappingsEvent.java:133) ~[FMLMissingMappingsEv
ent$MissingMapping.class:git-Cauldron-MCPC-Plus-1.7.10-1.1231.01.207]
at buildcraft.BuildCraftSilicon.remap(BuildCraftSilicon.java:534) ~[BuildCraftSilicon.class:?]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.7.0_45]
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) ~[?:1.7.0_45]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[?:1.7.0_45]
at java.lang.reflect.Method.invoke(Unknown Source) ~[?:1.7.0_45]
at cpw.mods.fml.common.FMLModContainer.handleModStateEvent(FMLModContainer.java:513) ~[FMLModContainer.class:git-Cauldron-MCPC-Plus-1.7.10-1.1231.01.207]
at sun.reflect.GeneratedMethodAccessor3.invoke(Unknown Source) ~[?:?]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[?:1.7.0_45]
at java.lang.reflect.Method.invoke(Unknown Source) ~[?:1.7.0_45]
at com.google.common.eventbus.EventSubscriber.handleEvent(EventSubscriber.java:74) ~[minecraft_server.1.7.10.jar:?]
at com.google.common.eventbus.SynchronizedEventSubscriber.handleEvent(SynchronizedEventSubscriber.java:47) ~[minecraft_server.1.7.10.jar:?]
at com.google.common.eventbus.EventBus.dispatch(EventBus.java:322) ~[minecraft_server.1.7.10.jar:?]
at com.google.common.eventbus.EventBus.dispatchQueuedEvents(EventBus.java:304) ~[minecraft_server.1.7.10.jar:?]
at com.google.common.eventbus.EventBus.post(EventBus.java:275) ~[minecraft_server.1.7.10.jar:?]
at cpw.mods.fml.common.LoadController.sendEventToModContainer(LoadController.java:208) ~[LoadController.class:git-Cauldron-MCPC-Plus-1.7.10-1.1231.01.207]
at cpw.mods.fml.common.LoadController.propogateStateMessage(LoadController.java:187) [LoadController.class:git-Cauldron-MCPC-Plus-1.7.10-1.1231.01.207]
at cpw.mods.fml.common.Loader.fireMissingMappingEvent(Loader.java:891) [Loader.class:git-Cauldron-MCPC-Plus-1.7.10-1.1231.01.207]
at cpw.mods.fml.common.registry.GameData.injectWorldIDMap(GameData.java:539) ~[GameData.class:git-Cauldron-MCPC-Plus-1.7.10-1.1231.01.207]
at cpw.mods.fml.common.FMLContainer.readData(FMLContainer.java:275) ~[FMLContainer.class:git-Cauldron-MCPC-Plus-1.7.10-1.1231.01.207]
at cpw.mods.fml.common.FMLCommonHandler.handleWorldDataLoad(FMLCommonHandler.java:408) [FMLCommonHandler.class:git-Cauldron-MCPC-Plus-1.7.10-1.1231.01.207]
at net.minecraft.world.storage.SaveHandler.func_75757_d(SaveHandler.java:135) ~[ayq.class:?]
at net.minecraft.world.World.(World.java:350) ~[ahb.class:?]
at net.minecraft.world.WorldServer.(WorldServer.java:153) ~[mt.class:?]
at net.minecraft.server.MinecraftServer.func_71247_a(MinecraftServer.java:356) ~[MinecraftServer.class:?]
at net.minecraft.server.dedicated.DedicatedServer.func_71197_b(DedicatedServer.java:329) [lt.class:?]
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:620) [MinecraftServer.class:?]
at java.lang.Thread.run(Unknown Source) [?:1.7.0_45]
[10:58:19] [Server thread/ERROR]: A fatal exception occurred during the server starting event
java.lang.IllegalArgumentException: Can't remap a block to an item.
at cpw.mods.fml.common.event.FMLMissingMappingsEvent$MissingMapping.remap(FMLMissingMappingsEvent.java:133) ~[FMLMissingMappingsEvent$MissingMapping.class:git-Cauldron-MCPC-Plus-1.7.10-1.1231.01.207]
at buildcraft.BuildCraftSilicon.remap(BuildCraftSilicon.java:534) ~[BuildCraftSilicon.class:?]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.7.0_45]
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) ~[?:1.7.0_45]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[?:1.7.0_45]
at java.lang.reflect.Method.invoke(Unknown Source) ~[?:1.7.0_45]
at cpw.mods.fml.common.FMLModContainer.handleModStateEvent(FMLModContainer.java:513) ~[FMLModContainer.class:git-Cauldron-MCPC-Plus-1.7.10-1.1231.01.207]
at sun.reflect.GeneratedMethodAccessor3.invoke(Unknown Source) ~[?:?]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[?:1.7.0_45]
at java.lang.reflect.Method.invoke(Unknown Source) ~[?:1.7.0_45]
at com.google.common.eventbus.EventSubscriber.handleEvent(EventSubscriber.java:74) ~[minecraft_server.1.7.10.jar:?]
at com.google.common.eventbus.SynchronizedEventSubscriber.handleEvent(SynchronizedEventSubscriber.java:47) ~[minecraft_server.1.7.10.jar:?]
at com.google.common.eventbus.EventBus.dispatch(EventBus.java:322) ~[minecraft_server.1.7.10.jar:?]
at com.google.common.eventbus.EventBus.dispatchQueuedEvents(EventBus.java:304) ~[minecraft_server.1.7.10.jar:?]
at com.google.common.eventbus.EventBus.post(EventBus.java:275) ~[minecraft_server.1.7.10.jar:?]
at cpw.mods.fml.common.LoadController.sendEventToModContainer(LoadController.java:208) ~[LoadController.class:git-Cauldron-MCPC-Plus-1.7.10-1.1231.01.207]
at cpw.mods.fml.common.LoadController.propogateStateMessage(LoadController.java:187) ~[LoadController.class:git-Cauldron-MCPC-Plus-1.7.10-1.1231.01.207]
at cpw.mods.fml.common.Loader.fireMissingMappingEvent(Loader.java:891) [Loader.class:git-Cauldron-MCPC-Plus-1.7.10-1.1231.01.207]
at cpw.mods.fml.common.registry.GameData.injectWorldIDMap(GameData.java:539) ~[GameData.class:git-Cauldron-MCPC-Plus-1.7.10-1.1231.01.207]
at cpw.mods.fml.common.FMLContainer.readData(FMLContainer.java:275) ~[FMLContainer.class:git-Cauldron-MCPC-Plus-1.7.10-1.1231.01.207]
at cpw.mods.fml.common.FMLCommonHandler.handleWorldDataLoad(FMLCommonHandler.java:408) [FMLCommonHandler.class:git-Cauldron-MCPC-Plus-1.7.10-1.1231.01.207]
at net.minecraft.world.storage.SaveHandler.func_75757_d(SaveHandler.java:135) ~[ayq.class:?]
at net.minecraft.world.World.(World.java:350) ~[ahb.class:?]
at net.minecraft.world.WorldServer.(WorldServer.java:153) ~[mt.class:?]
at net.minecraft.server.MinecraftServer.func_71247_a(MinecraftServer.java:356) ~[MinecraftServer.class:?]

If you use unofficial releases, do not expect support. However, I'll make an exception here - you should use a newer build OR the official release.

Use the official release.