[15:52:44] [Server thread/INFO]: Im_a_Benguin[/92.0.34.27:53279] logged in with entity id 104 at ([Semiworld]1395.4877546551027, 127.90198335003036, -650.6424364907172) [15:52:44] [pool-3-thread-5/WARN]: Exception in thread "pool-3-thread-5" [15:52:44] [pool-3-thread-5/WARN]: org.apache.commons.lang.UnhandledException: Plugin Essentials vTeamCity generated an exception while executing task 49 at org.bukkit.craftbukkit.v1_9_R1.scheduler.CraftAsyncTask.run(CraftAsyncTask.java:56) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) Caused by: java.lang.IllegalArgumentException: Invalid UUID string: im_a_benguin at java.util.UUID.fromString(Unknown Source) at de.bananaco.bpermissions.imp.YamlWorld.isOnline(YamlWorld.java:462) at de.bananaco.bpermissions.imp.YamlWorld.loadOne(YamlWorld.java:393) at de.bananaco.bpermissions.api.World.loadIfExists(World.java:419) at de.bananaco.bpermissions.api.World.get(World.java:157) at de.bananaco.bpermissions.api.ApiLayer.getGroups(ApiLayer.java:126) at de.bananaco.bpermissions.api.ApiLayer.getGroups(ApiLayer.java:39) at com.earth2me.essentials.perm.BPermissions2Handler.getGroups(BPermissions2Handler.java:31) at com.earth2me.essentials.perm.BPermissions2Handler.getGroup(BPermissions2Handler.java:20) at com.earth2me.essentials.perm.PermissionsHandler.getGroup(PermissionsHandler.java:42) at com.earth2me.essentials.User.getGroup(User.java:670) at com.earth2me.essentials.textreader.TextInput.(TextInput.java:31) at com.earth2me.essentials.EssentialsPlayerListener.delayedJoin(EssentialsPlayerListener.java:241) at com.earth2me.essentials.EssentialsPlayerListener$1.run(EssentialsPlayerListener.java:206) at org.bukkit.craftbukkit.v1_9_R1.scheduler.CraftTask.run(CraftTask.java:53) at org.bukkit.craftbukkit.v1_9_R1.scheduler.CraftAsyncTask.run(CraftAsyncTask.java:53) ... 3 more