[IC2-1.111] OV/OD scanner doesn't work in multiplayer

^Try using a build from http://ic2api.player.to:8080/job/ic2_lf/

And player, if you see this: Did you by any chance happen to write a mod for TF2?

Quote from Byte

Question about OV/OD scanner closed: using "give" command to get the
scanner I got a scanner with green bar, meant it's fully charged, but it
was empty. It works well after charging.

Trying industrialcraft-2_1.115.308-lf.jar and got this:

Crash log

D:\1>java -Xmx1024M -Xms1024M -jar d:/1/minecraft_server.jar nogui
2013-05-07 18:02:02 [INFO] [ForgeModLoader] Forge Mod Loader version 4.5.21.486 for Minecraft 1.4.5 loading
2013-05-07 18:02:04 [INFO] [STDOUT] 208 recipes
2013-05-07 18:02:04 [INFO] [STDOUT] 27 achievements
2013-05-07 18:02:05 [INFO] [Minecraft] Starting minecraft server version 1.4.5
2013-05-07 18:02:05 [INFO] [ForgeModLoader] Attempting early MinecraftForge initialization
2013-05-07 18:02:05 [INFO] [STDOUT] MinecraftForge v6.4.1.436 Initialized
2013-05-07 18:02:05 [INFO] [ForgeModLoader] MinecraftForge v6.4.1.436 Initialized
2013-05-07 18:02:05 [INFO] [STDOUT] Replaced 84 ore recipies
2013-05-07 18:02:05 [INFO] [ForgeModLoader] Completed early MinecraftForge initialization
2013-05-07 18:02:06 [INFO] [ForgeModLoader] Searching D:\1\mods for mods
2013-05-07 18:02:07 [INFO] [ForgeModLoader] Forge Mod Loader has identified 5 mods to load
2013-05-07 18:02:08 [INFO] [STDERR] java.lang.NoClassDefFoundError: net/minecraft/block/Block
2013-05-07 18:02:08 [INFO] [STDERR] at java.lang.Class.forName0(Native Method)
2013-05-07 18:02:08 [INFO] [STDERR] at java.lang.Class.forName(Unknown Source)
2013-05-07 18:02:08 [INFO] [STDERR] at cpw.mods.fml.common.FMLModContainer.constructMod(FMLModContainer.java:410)
2013-05-07 18:02:08 [INFO] [STDERR] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
2013-05-07 18:02:08 [INFO] [STDERR] at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
2013-05-07 18:02:08 [INFO] [STDERR] at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
2013-05-07 18:02:08 [INFO] [STDERR] at java.lang.reflect.Method.invoke(Unknown Source)
2013-05-07 18:02:08 [INFO] [STDERR] at com.google.common.eventbus.EventHandler.handleEvent(EventHandler.java:69)
2013-05-07 18:02:08 [INFO] [STDERR] at com.google.common.eventbus.SynchronizedEventHandler.handleEvent(SynchronizedEventHandler.java:45)
2013-05-07 18:02:08 [INFO] [STDERR] at com.google.common.eventbus.EventBus.dispatch(EventBus.java:317)
2013-05-07 18:02:08 [INFO] [STDERR] at com.google.common.eventbus.EventBus.dispatchQueuedEvents(EventBus.java:300)
2013-05-07 18:02:08 [INFO] [STDERR] at com.google.common.eventbus.EventBus.post(EventBus.java:268)
2013-05-07 18:02:08 [INFO] [STDERR] at cpw.mods.fml.common.LoadController.propogateStateMessage(LoadController.java:140)
2013-05-07 18:02:08 [INFO] [STDERR] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
2013-05-07 18:02:08 [INFO] [STDERR] at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
2013-05-07 18:02:08 [INFO] [STDERR] at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
2013-05-07 18:02:08 [INFO] [STDERR] at java.lang.reflect.Method.invoke(Unknown Source)
2013-05-07 18:02:08 [INFO] [STDERR] at com.google.common.eventbus.EventHandler.handleEvent(EventHandler.java:69)
2013-05-07 18:02:08 [INFO] [STDERR] at com.google.common.eventbus.SynchronizedEventHandler.handleEvent(SynchronizedEventHandler.java:45)
2013-05-07 18:02:08 [INFO] [STDERR] at com.google.common.eventbus.EventBus.dispatch(EventBus.java:317)
2013-05-07 18:02:08 [INFO] [STDERR] at com.google.common.eventbus.EventBus.dispatchQueuedEvents(EventBus.java:300)
2013-05-07 18:02:08 [INFO] [STDERR] at com.google.common.eventbus.EventBus.post(EventBus.java:268)
2013-05-07 18:02:08 [INFO] [STDERR] at cpw.mods.fml.common.LoadController.distributeStateMessage(LoadController.java:83)
2013-05-07 18:02:08 [INFO] [STDERR] at cpw.mods.fml.common.Loader.loadMods(Loader.java:478)
2013-05-07 18:02:08 [INFO] [STDERR] at cpw.mods.fml.server.FMLServerHandler.beginServerLoading(FMLServerHandler.java:87)
2013-05-07 18:02:08 [INFO] [STDERR] at cpw.mods.fml.common.FMLCommonHandler.onServerStart(FMLCommonHandler.java:346)
2013-05-07 18:02:08 [INFO] [STDERR] at ho.c(DedicatedServer.java:49)
2013-05-07 18:02:08 [INFO] [STDERR] at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:461)
2013-05-07 18:02:08 [INFO] [STDERR] at fy.run(SourceFile:856)
2013-05-07 18:02:08 [INFO] [STDERR] Caused by: java.lang.ClassNotFoundException: net.minecraft.block.Block
2013-05-07 18:02:08 [INFO] [STDERR] at cpw.mods.fml.relauncher.RelaunchClassLoader.findClass(RelaunchClassLoader.java:141)
2013-05-07 18:02:08 [INFO] [STDERR] at java.lang.ClassLoader.loadClass(Unknown Source)
2013-05-07 18:02:08 [INFO] [STDERR] at java.lang.ClassLoader.loadClass(Unknown Source)
2013-05-07 18:02:08 [INFO] [STDERR] ... 29 more
2013-05-07 18:02:08 [INFO] [STDERR] Caused by: java.lang.NullPointerException
2013-05-07 18:02:08 [INFO] [STDERR] at cpw.mods.fml.relauncher.RelaunchClassLoader.findClass(RelaunchClassLoader.java:134)
2013-05-07 18:02:08 [INFO] [STDERR] ... 31 more
2013-05-07 18:02:08 [SEVERE] [Minecraft] Encountered an unexpected exception NoClassDefFoundError
java.lang.NoClassDefFoundError: net/minecraft/block/Block
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Unknown Source)
at cpw.mods.fml.common.FMLModContainer.constructMod(FMLModContainer.java:410)
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.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.loadMods(Loader.java:478)
at cpw.mods.fml.server.FMLServerHandler.beginServerLoading(FMLServerHandler.java:87)
at cpw.mods.fml.common.FMLCommonHandler.onServerStart(FMLCommonHandler.java:346)
at ho.c(DedicatedServer.java:49)
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:461)
at fy.run(SourceFile:856)
Caused by: java.lang.ClassNotFoundException: net.minecraft.block.Block
at cpw.mods.fml.relauncher.RelaunchClassLoader.findClass(RelaunchClassLoader.java:141)
at java.lang.ClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
... 29 more
Caused by: java.lang.NullPointerException
at cpw.mods.fml.relauncher.RelaunchClassLoader.findClass(RelaunchClassLoader.java:134)
... 31 more
2013-05-07 18:02:08 [SEVERE] [Minecraft] This crash report has been saved to: D:\1\.\crash-reports\crash-2013-05-07_18.02.08-server.txt

P.S.: My server is v.1.4.5, may be it is a reason of crashes.

Thank you for help.

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/facepalm
We're well on 1.5.1 already.