2013-08-26 15:45:58 [INFO] [VirtualPack] Enabling VirtualPack v2.5.6
2013-08-26 15:45:58 [INFO] VirtualPack 2.5.6 enabled
2013-08-26 15:45:58 [WARNING] [VirtualPack] AN ERROR OCCURED! PLEASE SEND THE MESSAGE BELOW TO THE DEVELOPER!
2013-08-26 15:45:58 [SEVERE] java.util.ConcurrentModificationException
2013-08-26 15:45:58 [SEVERE]    at java.util.LinkedHashMap$LinkedHashIterator.nextEntry(LinkedHashMap.java:370)
2013-08-26 15:45:58 [SEVERE]    at java.util.LinkedHashMap$EntryIterator.next(LinkedHashMap.java:389)
2013-08-26 15:45:58 [SEVERE]    at java.util.LinkedHashMap$EntryIterator.next(LinkedHashMap.java:388)
2013-08-26 15:45:58 [SEVERE]    at org.bukkit.configuration.MemorySection.mapChildrenValues(MemorySection.java:729)
2013-08-26 15:45:58 [SEVERE]    at org.bukkit.configuration.MemorySection.getValues(MemorySection.java:96)
2013-08-26 15:45:58 [SEVERE]    at ru.tehkode.permissions.backends.file.FileEntity.getNode(FileEntity.java:58)
2013-08-26 15:45:58 [SEVERE]    at ru.tehkode.permissions.backends.file.FileEntity.<init>(FileEntity.java:42)
2013-08-26 15:45:58 [SEVERE]    at ru.tehkode.permissions.backends.file.FileGroup.<init>(FileGroup.java:38)
2013-08-26 15:45:58 [SEVERE]    at ru.tehkode.permissions.backends.FileBackend.getGroup(FileBackend.java:116)
2013-08-26 15:45:58 [SEVERE]    at ru.tehkode.permissions.PermissionManager.getGroup(PermissionManager.java:221)
2013-08-26 15:45:58 [SEVERE]    at ru.tehkode.permissions.PermissionGroup.getParentGroups(PermissionGroup.java:238)
2013-08-26 15:45:58 [SEVERE]    at ru.tehkode.permissions.PermissionGroup.getOption(PermissionGroup.java:675)
2013-08-26 15:45:58 [SEVERE]    at ru.tehkode.permissions.PermissionEntity.getOptionBoolean(PermissionEntity.java:294)
2013-08-26 15:45:58 [SEVERE]    at ru.tehkode.permissions.PermissionEntity.initialize(PermissionEntity.java:53)
2013-08-26 15:45:58 [SEVERE]    at ru.tehkode.permissions.PermissionGroup.initialize(PermissionGroup.java:47)
2013-08-26 15:45:58 [SEVERE]    at ru.tehkode.permissions.ProxyPermissionGroup.initialize(ProxyPermissionGroup.java:43)
2013-08-26 15:45:58 [SEVERE]    at ru.tehkode.permissions.PermissionManager.getGroup(PermissionManager.java:223)
2013-08-26 15:45:58 [SEVERE]    at ru.tehkode.permissions.backends.FileBackend.getDefaultGroup(FileBackend.java:137)
2013-08-26 15:45:58 [SEVERE]    at ru.tehkode.permissions.PermissionManager.getDefaultGroup(PermissionManager.java:291)
2013-08-26 15:45:58 [SEVERE]    at ru.tehkode.permissions.PermissionManager.getDefaultGroup(PermissionManager.java:280)
2013-08-26 15:45:58 [SEVERE]    at ru.tehkode.permissions.PermissionUser.getGroups(PermissionUser.java:219)
2013-08-26 15:45:58 [SEVERE]    at ru.tehkode.permissions.PermissionUser.getOption(PermissionUser.java:130)
2013-08-26 15:45:58 [SEVERE]    at ru.tehkode.permissions.PermissionEntity.getOptionBoolean(PermissionEntity.java:294)
2013-08-26 15:45:58 [SEVERE]    at ru.tehkode.permissions.PermissionEntity.initialize(PermissionEntity.java:53)
2013-08-26 15:45:58 [SEVERE]    at ru.tehkode.permissions.PermissionUser.initialize(PermissionUser.java:51)
2013-08-26 15:45:58 [SEVERE]    at ru.tehkode.permissions.ProxyPermissionUser.initialize(ProxyPermissionUser.java:42)
2013-08-26 15:45:58 [SEVERE]    at ru.tehkode.permissions.PermissionManager.getUser(PermissionManager.java:118)
2013-08-26 15:45:58 [SEVERE]    at net.milkbowl.vault.permission.plugins.Permission_PermissionsEx.getPlayerGroups(Permission_PermissionsEx.java:192)
2013-08-26 15:45:58 [SEVERE]    at net.drgnome.virtualpack.util.Perm.getGroups(Perm.java:90)
2013-08-26 15:45:58 [SEVERE]    at net.drgnome.virtualpack.VPack.recalculate(VPack.java:190)
2013-08-26 15:45:58 [SEVERE]    at net.drgnome.virtualpack.VPack.<init>(VPack.java:47)
2013-08-26 15:45:58 [SEVERE]    at net.drgnome.virtualpack.VPack.<init>(VPack.java:52)
2013-08-26 15:45:58 [SEVERE]    at net.drgnome.virtualpack.thread.VThreadLoad.run(VThreadLoad.java:24)