Whenever I start my bukkit server, my Transporter plugin always gives me this error: 07:11 PM [SEVERE] Error occurred while enabling Transporter v8.14 (Is it up to date?) java.lang.IllegalAccessError: tried to access class org.bukkit.plugin.java.PluginClassLoader from class com.frdfsnlght.transporter.Transporter at com.frdfsnlght.transporter.Transporter.onEnable(Transporter.java:99) at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:316) at org.bukkit.plugin.java.JavaPluginLoader.enablePlugin(JavaPluginLoader.java:324) at org.bukkit.plugin.SimplePluginManager.enablePlugin(SimplePluginManager.java:404) at org.bukkit.craftbukkit.v1_7_R3.CraftServer.loadPlugin(CraftServer.java:455) at org.bukkit.craftbukkit.v1_7_R3.CraftServer.enablePlugins(CraftServer.java:389) at org.bukkit.craftbukkit.v1_7_R3.CraftServer.reload(CraftServer.java:839) at org.bukkit.Bukkit.reload(Bukkit.java:303) at org.bukkit.command.defaults.ReloadCommand.execute(ReloadCommand.java:23) at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:180) at org.bukkit.craftbukkit.v1_7_R3.CraftServer.dispatchCommand(CraftServer.java:740) at org.bukkit.Bukkit.dispatchCommand(Bukkit.java:331) at me.escapeNT.pail.Util.Util$1.run(Util.java:59) at org.bukkit.craftbukkit.v1_7_R3.scheduler.CraftTask.run(CraftTask.java:53) at org.bukkit.craftbukkit.v1_7_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:345) at net.minecraft.server.v1_7_R3.MinecraftServer.v(MinecraftServer.java:600) at net.minecraft.server.v1_7_R3.DedicatedServer.v(DedicatedServer.java:260) at net.minecraft.server.v1_7_R3.MinecraftServer.u(MinecraftServer.java:558) at net.minecraft.server.v1_7_R3.MinecraftServer.run(MinecraftServer.java:469) at net.minecraft.server.v1_7_R3.ThreadServerApplication.run(SourceFile:628) There is also another error, whenever I want to build a gate, (the command is /trp design build nether) the plugin responds with "An error has occurred. Please check the consol for details." if anyone can help, please do so.