When running the command we got a crash from PlugMan, command:

/plugman load Essentials

Error log:

[09:47:20] [Server thread/WARN]: org.bukkit.plugin.InvalidPluginException: java.lang.IllegalArgumentException: Plugin already initialized!
[09:47:20] [Server thread/WARN]: at org.bukkit.plugin.java.JavaPluginLoader.loadPlugin(JavaPluginLoader.java:131)
[09:47:20] [Server thread/WARN]: at org.bukkit.plugin.SimplePluginManager.loadPlugin(SimplePluginManager.java:328)
[09:47:20] [Server thread/WARN]: at com.rylinaux.plugman.util.PluginUtil.load(PluginUtil.java:263)
[09:47:20] [Server thread/WARN]: at com.rylinaux.plugman.command.LoadCommand.execute(LoadCommand.java:114)
[09:47:20] [Server thread/WARN]: at com.rylinaux.plugman.PlugManCommands.onCommand(PlugManCommands.java:100)
[09:47:20] [Server thread/WARN]: at org.bukkit.command.PluginCommand.execute(PluginCommand.java:44)
[09:47:20] [Server thread/WARN]: at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:180)
[09:47:20] [Server thread/WARN]: at org.bukkit.craftbukkit.v1_7_R3.CraftServer.dispatchCommand(CraftServer.java:701)
[09:47:20] [Server thread/WARN]: at net.minecraft.server.v1_7_R3.PlayerConnection.handleCommand(PlayerConnection.java:956)
[09:47:20] [Server thread/WARN]: at net.minecraft.server.v1_7_R3.PlayerConnection.a(PlayerConnection.java:817)
[09:47:20] [Server thread/WARN]: at net.minecraft.server.v1_7_R3.PacketPlayInChat.a(PacketPlayInChat.java:28)
[09:47:20] [Server thread/WARN]: at net.minecraft.server.v1_7_R3.PacketPlayInChat.handle(PacketPlayInChat.java:47)
[09:47:20] [Server thread/WARN]: at net.minecraft.server.v1_7_R3.NetworkManager.a(NetworkManager.java:157)
[09:47:20] [Server thread/WARN]: at net.minecraft.server.v1_7_R3.ServerConnection.c(SourceFile:134)
[09:47:20] [Server thread/WARN]: at net.minecraft.server.v1_7_R3.MinecraftServer.v(MinecraftServer.java:667)
[09:47:20] [Server thread/WARN]: at net.minecraft.server.v1_7_R3.DedicatedServer.v(DedicatedServer.java:260)
[09:47:20] [Server thread/WARN]: at net.minecraft.server.v1_7_R3.MinecraftServer.u(MinecraftServer.java:558)
[09:47:20] [Server thread/WARN]: at net.minecraft.server.v1_7_R3.MinecraftServer.run(MinecraftServer.java:469)
[09:47:20] [Server thread/WARN]: at net.minecraft.server.v1_7_R3.ThreadServerApplication.run(SourceFile:628)
[09:47:20] [Server thread/WARN]: Caused by: java.lang.IllegalArgumentException: Plugin already initialized!
[09:47:20] [Server thread/WARN]: at org.bukkit.plugin.java.PluginClassLoader.initialize(PluginClassLoader.java:98)
[09:47:20] [Server thread/WARN]: at org.bukkit.plugin.java.JavaPlugin.(JavaPlugin.java:66)
[09:47:20] [Server thread/WARN]: at com.earth2me.essentials.Essentials.(Essentials.java:106)
[09:47:20] [Server thread/WARN]: at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
[09:47:20] [Server thread/WARN]: at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)
[09:47:20] [Server thread/WARN]: at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
[09:47:20] [Server thread/WARN]: at java.lang.reflect.Constructor.newInstance(Constructor.java:526)
[09:47:20] [Server thread/WARN]: at java.lang.Class.newInstance(Class.java:374)
[09:47:20] [Server thread/WARN]: at org.bukkit.plugin.java.PluginClassLoader.(PluginClassLoader.java:52)
[09:47:20] [Server thread/WARN]: at org.bukkit.plugin.java.JavaPluginLoader.loadPlugin(JavaPluginLoader.java:127)
[09:47:20] [Server thread/WARN]: ... 18 more
[09:47:20] [Server thread/WARN]: Caused by: java.lang.IllegalStateException: Initial initialization
[09:47:20] [Server thread/WARN]: at org.bukkit.plugin.java.PluginClassLoader.initialize(PluginClassLoader.java:101)
[09:47:20] [Server thread/WARN]: at org.bukkit.plugin.java.JavaPlugin.(JavaPlugin.java:66)
[09:47:20] [Server thread/WARN]: at com.earth2me.essentials.Essentials.(Essentials.java:106)
[09:47:20] [Server thread/WARN]: at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
[09:47:20] [Server thread/WARN]: at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)
[09:47:20] [Server thread/WARN]: at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
[09:47:20] [Server thread/WARN]: at java.lang.reflect.Constructor.newInstance(Constructor.java:526)
[09:47:20] [Server thread/WARN]: at java.lang.Class.newInstance(Class.java:374)
[09:47:20] [Server thread/WARN]: at org.bukkit.plugin.java.PluginClassLoader.(PluginClassLoader.java:52)
[09:47:20] [Server thread/WARN]: at org.bukkit.plugin.java.JavaPluginLoader.loadPlugin(JavaPluginLoader.java:127)
[09:47:20] [Server thread/WARN]: at org.bukkit.plugin.SimplePluginManager.loadPlugin(SimplePluginManager.java:328)
[09:47:20] [Server thread/WARN]: at org.bukkit.plugin.SimplePluginManager.loadPlugins(SimplePluginManager.java:251)
[09:47:20] [Server thread/WARN]: at org.bukkit.craftbukkit.v1_7_R3.CraftServer.loadPlugins(CraftServer.java:355)
[09:47:20] [Server thread/WARN]: at org.bukkit.craftbukkit.v1_7_R3.CraftServer.(CraftServer.java:317)
[09:47:20] [Server thread/WARN]: at net.minecraft.server.v1_7_R3.PlayerList.(PlayerList.java:68)
[09:47:20] [Server thread/WARN]: at net.minecraft.server.v1_7_R3.DedicatedPlayerList.(SourceFile:14)
[09:47:20] [Server thread/WARN]: at net.minecraft.server.v1_7_R3.DedicatedServer.init(DedicatedServer.java:126)
[09:47:20] [Server thread/WARN]: at net.minecraft.server.v1_7_R3.MinecraftServer.run(MinecraftServer.java:436)
[09:47:20] [Server thread/WARN]: ... 1 more