Fixed using apart. prefix instead of plotpermissions. for subcommands

src/main/java/com/alttd/commands/SubCommand.java

@@ -18,7 +18,7 @@ public abstract class SubCommand {
     public abstract String getName();
 
     public String getPermission() {
-        return "apart." + getName();
+        return "plotpermissions." + getName();
     }
 
     public abstract List<String> getTabComplete(CommandSender commandSender, String[] args);