WORLDGUARD-4081 - Reported by vkmes

[19:53:17] [Server thread/INFO]: Don_Spiridon issued server command: /rg claim selo22/2
[19:53:17] [Server thread/WARN]: java.lang.UnsupportedOperationException: SuperPerms no group permissions.
[19:53:17] [Server thread/WARN]: at net.milkbowl.vault.permission.plugins.Permission_SuperPerms.getPlayerGroups(Permission_SuperPerms.java:91)
[19:53:17] [Server thread/WARN]: at net.milkbowl.vault.permission.Permission.getPlayerGroups(Permission.java:351)
[19:53:17] [Server thread/WARN]: at net.milkbowl.vault.permission.Permission.getPlayerGroups(Permission.java:356)
[19:53:17] [Server thread/WARN]: at com.sk89q.wepif.VaultResolver.getGroups(VaultResolver.java:115)
[19:53:17] [Server thread/WARN]: at com.sk89q.wepif.PermissionsResolverManager.getGroups(PermissionsResolverManager.java:184)
[19:53:17] [Server thread/WARN]: at com.sk89q.worldguard.bukkit.WorldGuardPlugin.getGroups(WorldGuardPlugin.java:273)
[19:53:17] [Server thread/WARN]: at com.sk89q.worldguard.bukkit.BukkitPlayer.getGroups(BukkitPlayer.java:178)
[19:53:17] [Server thread/WARN]: at com.sk89q.worldguard.config.WorldConfiguration.getMaxRegionCount(WorldConfiguration.java:225)
[19:53:17] [Server thread/WARN]: at com.sk89q.worldguard.commands.region.RegionCommands.claim(RegionCommands.java:239)
[19:53:17] [Server thread/WARN]: at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
[19:53:17] [Server thread/WARN]: at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
[19:53:17] [Server thread/WARN]: at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
[19:53:17] [Server thread/WARN]: at java.lang.reflect.Method.invoke(Method.java:498)
[19:53:17] [Server thread/WARN]: at com.sk89q.minecraft.util.commands.CommandsManager.invokeMethod(CommandsManager.java:526)
[19:53:17] [Server thread/WARN]: at com.sk89q.minecraft.util.commands.CommandsManager.executeMethod(CommandsManager.java:514)
[19:53:17] [Server thread/WARN]: at com.sk89q.minecraft.util.commands.CommandsManager.executeMethod(CommandsManager.java:469)
[19:53:17] [Server thread/WARN]: at com.sk89q.minecraft.util.commands.CommandsManager.execute(CommandsManager.java:407)
[19:53:17] [Server thread/WARN]: at com.sk89q.worldguard.bukkit.WorldGuardPlugin.onCommand(WorldGuardPlugin.java:222)
[19:53:17] [Server thread/WARN]: at com.sk89q.bukkit.util.DynamicPluginCommand.execute(DynamicPluginCommand.java:55)
[19:53:17] [Server thread/WARN]: at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:149)
[19:53:17] [Server thread/WARN]: at org.bukkit.craftbukkit.v1_14_R1.CraftServer.dispatchCommand(CraftServer.java:707)
[19:53:17] [Server thread/WARN]: at net.minecraft.server.v1_14_R1.PlayerConnection.handleCommand(PlayerConnection.java:1666)
[19:53:17] [Server thread/WARN]: at net.minecraft.server.v1_14_R1.PlayerConnection.a(PlayerConnection.java:1506)
[19:53:17] [Server thread/WARN]: at net.minecraft.server.v1_14_R1.PacketPlayInChat.a(PacketPlayInChat.java:47)
[19:53:17] [Server thread/WARN]: at net.minecraft.server.v1_14_R1.PacketPlayInChat.a(PacketPlayInChat.java:1)
[19:53:17] [Server thread/WARN]: at net.minecraft.server.v1_14_R1.PlayerConnectionUtils.lambda$0(PlayerConnectionUtils.java:13)
[19:53:17] [Server thread/WARN]: at net.minecraft.server.v1_14_R1.TickTask.run(SourceFile:18)
[19:53:17] [Server thread/WARN]: at net.minecraft.server.v1_14_R1.IAsyncTaskHandler.executeTask(SourceFile:135)
[19:53:17] [Server thread/WARN]: at net.minecraft.server.v1_14_R1.IAsyncTaskHandlerReentrant.executeTask(SourceFile:23)
[19:53:17] [Server thread/WARN]: at net.minecraft.server.v1_14_R1.IAsyncTaskHandler.executeNext(SourceFile:114)
[19:53:17] [Server thread/WARN]: at net.minecraft.server.v1_14_R1.MinecraftServer.aW(MinecraftServer.java:895)
[19:53:17] [Server thread/WARN]: at net.minecraft.server.v1_14_R1.MinecraftServer.executeNext(MinecraftServer.java:888)
[19:53:17] [Server thread/WARN]: at net.minecraft.server.v1_14_R1.IAsyncTaskHandler.executeAll(SourceFile:99)
[19:53:17] [Server thread/WARN]: at net.minecraft.server.v1_14_R1.MinecraftServer.sleepForTick(MinecraftServer.java:871)
[19:53:17] [Server thread/WARN]: at net.minecraft.server.v1_14_R1.MinecraftServer.run(MinecraftServer.java:805)
[19:53:17] [Server thread/WARN]: at java.lang.Thread.run(Thread.java:748)

Comment by wizjany

if you don't have a permissions plugin supported by vault, move the Vault permissions resolver to the disabled section in the "wepif.yml" in the server root.