[16:49:23 ERROR]: Could not pass event PlayerInteractEvent to WorldEdit v5.5.8
org.bukkit.event.EventException
at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:320) ~[craftbukkit_vgbin.jar:git-Bukkit-1.7.2-R0.3-b3020jnks]
at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62) ~[craftbukkit_vgbin.jar:git-Bukkit-1.7.2-R0.3-b3020jnks]
at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:486) [craftbukkit_vgbin.jar:git-Bukkit-1.7.2-R0.3-b3020jnks]
at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:471) [craftbukkit_vgbin.jar:git-Bukkit-1.7.2-R0.3-b3020jnks]
at org.bukkit.craftbukkit.v1_7_R1.event.CraftEventFactory.callPlayerInteractEvent(CraftEventFactory.java:195) [craftbukkit_vgbin.jar:git-Bukkit-1.7.2-R0.3-b3020jnks]
at org.bukkit.craftbukkit.v1_7_R1.event.CraftEventFactory.callPlayerInteractEvent(CraftEventFactory.java:165) [craftbukkit_vgbin.jar:git-Bukkit-1.7.2-R0.3-b3020jnks]
at net.minecraft.server.v1_7_R1.PlayerConnection.a(PlayerConnection.java:988) [craftbukkit_vgbin.jar:git-Bukkit-1.7.2-R0.3-b3020jnks]
at net.minecraft.server.v1_7_R1.PacketPlayInArmAnimation.a(SourceFile:43) [craftbukkit_vgbin.jar:git-Bukkit-1.7.2-R0.3-b3020jnks]
at net.minecraft.server.v1_7_R1.PacketPlayInArmAnimation.handle(SourceFile:9) [craftbukkit_vgbin.jar:git-Bukkit-1.7.2-R0.3-b3020jnks]
at net.minecraft.server.v1_7_R1.NetworkManager.a(NetworkManager.java:146) [craftbukkit_vgbin.jar:git-Bukkit-1.7.2-R0.3-b3020jnks]
at net.minecraft.server.v1_7_R1.ServerConnection.c(SourceFile:134) [craftbukkit_vgbin.jar:git-Bukkit-1.7.2-R0.3-b3020jnks]
at net.minecraft.server.v1_7_R1.MinecraftServer.u(MinecraftServer.java:655) [craftbukkit_vgbin.jar:git-Bukkit-1.7.2-R0.3-b3020jnks]
at net.minecraft.server.v1_7_R1.DedicatedServer.u(DedicatedServer.java:250) [craftbukkit_vgbin.jar:git-Bukkit-1.7.2-R0.3-b3020jnks]
at net.minecraft.server.v1_7_R1.MinecraftServer.t(MinecraftServer.java:545) [craftbukkit_vgbin.jar:git-Bukkit-1.7.2-R0.3-b3020jnks]
at net.minecraft.server.v1_7_R1.MinecraftServer.run(MinecraftServer.java:457) [craftbukkit_vgbin.jar:git-Bukkit-1.7.2-R0.3-b3020jnks]
at net.minecraft.server.v1_7_R1.ThreadServerApplication.run(SourceFile:617) [craftbukkit_vgbin.jar:git-Bukkit-1.7.2-R0.3-b3020jnks]
Caused by: java.lang.NullPointerException
at org.anjocaido.groupmanager.dataholder.WorldDataHolder.getUser(WorldDataHolder.java:122) ~[?:?]
at org.anjocaido.groupmanager.permissions.AnjoPermissionsHandler.permission(AnjoPermissionsHandler.java:82) ~[?:?]
at com.sk89q.wepif.GroupManagerResolver.hasPermission(GroupManagerResolver.java:87) ~[?:?]
at com.sk89q.wepif.GroupManagerResolver.hasPermission(GroupManagerResolver.java:114) ~[?:?]
at com.sk89q.wepif.PermissionsResolverManager.hasPermission(PermissionsResolverManager.java:165) ~[?:?]
at com.sk89q.worldedit.bukkit.BukkitPlayer.hasPermission(BukkitPlayer.java:125) ~[?:?]
at com.sk89q.worldedit.WorldEdit.getSession(WorldEdit.java:326) ~[?:?]
at com.sk89q.worldedit.WorldEdit.handleArmSwing(WorldEdit.java:1261) ~[?:?]