Added invalid-command

eco-core/core-plugin/src/main/java/com/willfp/talismans/command/CommandTalismans.java

@@ -21,7 +21,7 @@ public class CommandTalismans 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

@@ -2,6 +2,7 @@ messages:
   prefix: "&6&lTalismans&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!"
   needs-player: "&cYou must specify a player"
   invalid-player: "&cInvalid player!"