23.06 23:41:51 [Server] INFO at net.minecraft.server.v1_5_R3.MinecraftServer.run(MinecraftServer.java:436)
23.06 23:41:51 [Server] INFO at net.minecraft.server.v1_5_R3.MinecraftServer.stop(MinecraftServer.java:340)
23.06 23:41:51 [Server] INFO at org.bukkit.craftbukkit.v1_5_R3.CraftServer.disablePlugins(CraftServer.java:300)
23.06 23:41:51 [Server] INFO at org.bukkit.plugin.SimplePluginManager.disablePlugins(SimplePluginManager.java:394)
23.06 23:41:51 [Server] INFO at org.bukkit.plugin.SimplePluginManager.disablePlugin(SimplePluginManager.java:401)
23.06 23:41:51 [Server] INFO at org.bukkit.plugin.java.JavaPluginLoader.disablePlugin(JavaPluginLoader.java:481)
23.06 23:41:51 [Server] INFO at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:219)
23.06 23:41:51 [Server] INFO at nl.lolmewn.achievements.Main.onDisable(Main.java:30)
23.06 23:41:51 [Server] INFO at java.util.HashMap$KeyIterator.next(HashMap.java:928)
23.06 23:41:51 [Server] INFO at java.util.HashMap$HashIterator.nextEntry(HashMap.java:894)
23.06 23:41:51 [Server] INFO java.util.ConcurrentModificationException
23.06 23:41:51 [Server] SEVERE Error occurred while disabling Achievements vjenkins-Achievements-82 (Is it up to date?)