[13:14:48 WARN]: java.lang.UnsupportedOperationException
[13:14:48 WARN]:        at java.util.Collections$UnmodifiableCollection$1.remove(Collections.java:1069)
[13:14:48 WARN]:        at autosaveworld.pluginmanager.InternalUtils.unloadPlugin(InternalUtils.java:77)
[13:14:48 WARN]:        at autosaveworld.pluginmanager.ASWPluginManager.reloadPlugin(ASWPluginManager.java:127)
[13:14:48 WARN]:        at autosaveworld.pluginmanager.ASWPluginManager.handlePluginManagerCommand(ASWPluginManager.java:53)
[13:14:48 WARN]:        at autosaveworld.commands.CommandsHandler.onCommand(CommandsHandler.java:111)
[13:14:48 WARN]:        at org.bukkit.command.PluginCommand.execute(PluginCommand.java:44)
[13:14:48 WARN]:        at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:181)
[13:14:48 WARN]:        at org.bukkit.craftbukkit.v1_7_R4.CraftServer.dispatchCommand(CraftServer.java:767)
[13:14:48 WARN]:        at org.bukkit.craftbukkit.v1_7_R4.CraftServer.dispatchServerCommand(CraftServer.java:753)
[13:14:48 WARN]:        at net.minecraft.server.v1_7_R4.DedicatedServer.aB(DedicatedServer.java:326)
[13:14:48 WARN]:        at net.minecraft.server.v1_7_R4.DedicatedServer.v(DedicatedServer.java:290)
[13:14:48 WARN]:        at net.minecraft.server.v1_7_R4.MinecraftServer.u(MinecraftServer.java:584)
[13:14:48 WARN]:        at net.minecraft.server.v1_7_R4.MinecraftServer.run(MinecraftServer.java:490)
[13:14:48 WARN]:        at net.minecraft.server.v1_7_R4.ThreadServerApplication.run(SourceFile:628)