1:33:22 AM [severe]  Error occurred while enabling CakesMinerApocalypse v2.6-exphc (Is it up to date?)
1:33:22 AM [javastacktrace] java.lang.IllegalArgumentException: Comparison method violates its general contract!
1:33:22 AM [javastacktrace] 	at java.util.TimSort.mergeHi(Unknown Source)
1:33:22 AM [javastacktrace] 	at java.util.TimSort.mergeAt(Unknown Source)
1:33:22 AM [javastacktrace] 	at java.util.TimSort.mergeCollapse(Unknown Source)
1:33:22 AM [javastacktrace] 	at java.util.TimSort.sort(Unknown Source)
1:33:22 AM [javastacktrace] 	at java.util.TimSort.sort(Unknown Source)
1:33:22 AM [javastacktrace] 	at java.util.Arrays.sort(Unknown Source)
1:33:22 AM [javastacktrace] 	at java.util.Collections.sort(Unknown Source)
1:33:22 AM [javastacktrace] 	at wn.sort(CraftingManager.java:148)
1:33:22 AM [javastacktrace] 	at org.bukkit.craftbukkit.v1_4_R1.CraftServer.addRecipe(CraftServer.java:911)
1:33:22 AM [javastacktrace] 	at me.cakenggt.CakesMinerApocalypse.CakesMinerApocalypse.onEnable(CakesMinerApocalypse.java:105)
1:33:22 AM [javastacktrace] 	at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:217)
1:33:22 AM [javastacktrace] 	at org.bukkit.plugin.java.JavaPluginLoader.enablePlugin(JavaPluginLoader.java:426)
1:33:22 AM [javastacktrace] 	at org.bukkit.plugin.SimplePluginManager.enablePlugin(SimplePluginManager.java:381)
1:33:22 AM [javastacktrace] 	at org.bukkit.craftbukkit.v1_4_R1.CraftServer.loadPlugin(CraftServer.java:293)
1:33:22 AM [javastacktrace] 	at org.bukkit.craftbukkit.v1_4_R1.CraftServer.enablePlugins(CraftServer.java:275)
1:33:22 AM [javastacktrace] 	at net.minecraft.server.MinecraftServer.j(MinecraftServer.java:518)
1:33:22 AM [javastacktrace] 	at net.minecraft.server.MinecraftServer.e(MinecraftServer.java:484)
1:33:22 AM [javastacktrace] 	at net.minecraft.server.MinecraftServer.a(MinecraftServer.java:436)
1:33:22 AM [javastacktrace] 	at ho.c(DedicatedServer.java:194)
1:33:22 AM [javastacktrace] 	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:640)
1:33:22 AM [javastacktrace] 	at fy.run(ThreadMinecraftServer.java:16)