10:55:18 [INFO] [BKCommonLib] Loading BKCommonLib v1.45
10:55:18 [SEVERE] org/bukkit/craftbukkit/v1_4_R1/block/CraftSign initializing BKCommonLib v1.45 (Is it up to date?)
java.lang.NoClassDefFoundError: org/bukkit/craftbukkit/v1_4_R1/block/CraftSign
at com.bergerkiller.bukkit.common.reflection.classes.BlockStateRef.<clinit>(BlockStateRef.java:17)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:169)
at com.bergerkiller.bukkit.common.Common.loadClasses(Common.java:91)
at com.bergerkiller.bukkit.common.internal.CommonClasses.loadRef(CommonClasses.java:26)
at com.bergerkiller.bukkit.common.internal.CommonClasses.init(CommonClasses.java:13)
at com.bergerkiller.bukkit.common.internal.CommonPlugin.onLoad(CommonPlugin.java:214)
at org.bukkit.craftbukkit.v1_4_6.CraftServer.loadPlugins(CraftServer.java:244)
at org.bukkit.craftbukkit.v1_4_6.CraftServer.<init>(CraftServer.java:217)
at net.minecraft.server.v1_4_6.PlayerList.<init>(PlayerList.java:52)
at net.minecraft.server.v1_4_6.DedicatedPlayerList.<init>(SourceFile:11)
at net.minecraft.server.v1_4_6.DedicatedServer.init(DedicatedServer.java:104)
at net.minecraft.server.v1_4_6.MinecraftServer.run(MinecraftServer.java:399)
at net.minecraft.server.v1_4_6.ThreadServerApplication.run(SourceFile:849)
Caused by: java.lang.ClassNotFoundException: org.bukkit.craftbukkit.v1_4_R1.block.CraftSign
at org.bukkit.plugin.java.PluginClassLoader.findClass0(PluginClassLoader.java:70)
at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:53)
at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
at java.lang.ClassLoader.loadClass(ClassLoader.java:247)
... 14 more