Added subcommand check

eco-core/core-plugin/src/main/java/com/willfp/ecoenchants/command/CommandEcoEnchants.java

@@ -23,7 +23,7 @@ public class CommandEcoEnchants extends PluginCommand {
     @Override
     public CommandHandler getHandler() {
         return (sender, args) -> {
-
+            sender.sendMessage(this.getPlugin().getLangYml().getMessage("invalid-command"));
         };
     }
 }

eco-core/core-plugin/src/main/resources/lang.yml

@@ -4,6 +4,7 @@ messages:
   prefix: "&a&lEcoEnchants &r&8» &r"
   no-permission: "&cYou don't have permission to do this!"
   not-player: "&cThis command must be run by a player"
+  invalid-command: "&cUnknown subcommand!"
   reloaded: "Reloaded!"
   got-special: "You got a &dSpecial &fenchantment!"
   skip-added: "&aAdded &flore skip to item!"