attempt to fix resetplayer breaking if you dont enter an argument

(I dont know if this works, I straight up copied and pasted code lol)

src/main/java/me/StevenLawson/TotalFreedomMod/commands/Command_resetplayer.java

@@ -16,7 +16,10 @@ public class Command_resetplayer extends FreedomCommand {
     public boolean run(CommandSender sender, Player sender_p, Command cmd, String commandLabel, String[] args, boolean senderIsConsole) {
         OfflinePlayer target = null;
         String searchString = args[0];
-
+            if (args.length == 0)
+            {
+                throw new FormatException("Invalid number of arguments.");
+            }
         for (OfflinePlayer offlinePlayer : Bukkit.getOfflinePlayers()) {
             if(offlinePlayer.getName().equalsIgnoreCase(searchString)) {
                 target = offlinePlayer;