Fix commands

src/de/steamwar/misslewars/commands/AcceptCommand.java

@@ -50,7 +50,7 @@ public class AcceptCommand extends SWCommand {
         return new TypeValidator<Player>() {
             @Override
             public boolean validate(CommandSender commandSender, Player player, MessageSender messageSender) {
-                if (Config.isChallenge()) {
+                if (!Config.isChallenge()) {
                     messageSender.send("§cDieser Command ist deaktiviert.");
                     return false;
                 }
@@ -59,6 +59,11 @@ public class AcceptCommand extends SWCommand {
         };
     }
 
+    @Override
+    protected void sendMessage(CommandSender sender, String message, Object[] args) {
+        sender.sendMessage(message);
+    }
+
     private void message(MWTeam mwTeam, String s) {
         mwTeam.getPlayers().forEach(player -> player.sendMessage(s));
     }

src/de/steamwar/misslewars/commands/DeclineCommand.java

@@ -59,6 +59,11 @@ public class DeclineCommand extends SWCommand {
         };
     }
 
+    @Override
+    protected void sendMessage(CommandSender sender, String message, Object[] args) {
+        sender.sendMessage(message);
+    }
+
     private void message(MWTeam mwTeam, String s) {
         mwTeam.getPlayers().forEach(player -> player.sendMessage(s));
     }

src/de/steamwar/misslewars/commands/SpectateCommand.java

@@ -61,4 +61,9 @@ public class SpectateCommand extends SWCommand {
             }
         };
     }
+
+    @Override
+    protected void sendMessage(CommandSender sender, String message, Object[] args) {
+        sender.sendMessage(message);
+    }
 }