diff --git a/Projekte/battleship/model/src/main/java/pp/battleship/game/client/WaitState.java b/Projekte/battleship/model/src/main/java/pp/battleship/game/client/WaitState.java
index 90cb8176..06d266df 100644
--- a/Projekte/battleship/model/src/main/java/pp/battleship/game/client/WaitState.java
+++ b/Projekte/battleship/model/src/main/java/pp/battleship/game/client/WaitState.java
@@ -7,6 +7,7 @@
 
 package pp.battleship.game.client;
 
+import pp.battleship.message.server.GameDetails;
 import pp.battleship.message.server.StartBattleMessage;
 
 import java.lang.System.Logger.Level;
@@ -38,4 +39,11 @@ public void receivedStartBattle(StartBattleMessage msg) {
         logic.setInfoText(msg.getInfoTextKey());
         logic.setState(new BattleState(logic, msg.isMyTurn()));
     }
+
+    @Override
+    public void receivedGameDetails(GameDetails details) {
+        ClientGameLogic.LOGGER.log(Level.WARNING, "Invalid Map"); //NON-NLS
+        logic.setInfoText("map.invalid");
+        logic.setState(new EditorState(logic));
+    }
 }
diff --git a/Projekte/battleship/model/src/main/java/pp/battleship/game/server/ServerGameLogic.java b/Projekte/battleship/model/src/main/java/pp/battleship/game/server/ServerGameLogic.java
index 5f90c7c6..d19d739c 100644
--- a/Projekte/battleship/model/src/main/java/pp/battleship/game/server/ServerGameLogic.java
+++ b/Projekte/battleship/model/src/main/java/pp/battleship/game/server/ServerGameLogic.java
@@ -142,8 +142,10 @@ public Player addPlayer(int id) {
     public void received(MapMessage msg, int from) {
         if (state != ServerState.SET_UP)
             LOGGER.log(Level.ERROR, "playerReady not allowed in {0}", state); //NON-NLS
-        else if(!checkMap(msg, from))
+        else if(!checkMap(msg, from)) {
             LOGGER.log(Level.ERROR, "The submitted map is not allowed");
+            send(players.get(from), new GameDetails(config));
+        }
         else
             playerReady(getPlayerById(from), msg.getShips());
     }
diff --git a/Projekte/battleship/model/src/main/resources/battleship.properties b/Projekte/battleship/model/src/main/resources/battleship.properties
index e4fb9cb1..c21bc46c 100644
--- a/Projekte/battleship/model/src/main/resources/battleship.properties
+++ b/Projekte/battleship/model/src/main/resources/battleship.properties
@@ -37,6 +37,7 @@ dialog.error=Error
 dialog.question=Question
 port.must.be.integer=Port must be an integer number
 map.doesnt.fit=The map doesn't fit to this game
+map.invalid = map is invalid
 ships.dont.fit.the.map=Ships are out of bounds
 menu.music.toggle = Music on/off
 menu.music.volume = Volume
diff --git a/Projekte/battleship/model/src/main/resources/battleship_de.properties b/Projekte/battleship/model/src/main/resources/battleship_de.properties
index 7712d616..5892577d 100644
--- a/Projekte/battleship/model/src/main/resources/battleship_de.properties
+++ b/Projekte/battleship/model/src/main/resources/battleship_de.properties
@@ -37,6 +37,7 @@ dialog.error=Fehler
 dialog.question=Frage
 port.must.be.integer=Der Port muss eine ganze Zahl sein
 map.doesnt.fit=Diese Karte passt nicht zu diesem Spiel
+map.invalid = Karte ungültig
 ships.dont.fit.the.map=Schiffe sind außerhalb der Map
 menu.music.toggle = Musik an/aus
 menu.music.volume = Lautstärke