diff --git a/SpigotCore_Main/src/de/steamwar/comms/BungeeReceiver.java b/SpigotCore_Main/src/de/steamwar/comms/BungeeReceiver.java
index e45bae4..3778223 100644
--- a/SpigotCore_Main/src/de/steamwar/comms/BungeeReceiver.java
+++ b/SpigotCore_Main/src/de/steamwar/comms/BungeeReceiver.java
@@ -23,12 +23,9 @@ import com.google.common.io.ByteArrayDataInput;
 import com.google.common.io.ByteStreams;
 import de.steamwar.comms.handlers.BungeeHandler;
 import de.steamwar.comms.handlers.InventoryHandler;
-import de.steamwar.comms.packets.MaterialsReturnPacket;
 import de.steamwar.comms.packets.PluginCallbackPacket;
-import de.steamwar.core.Core;
 import de.steamwar.sql.*;
 import org.bukkit.Bukkit;
-import org.bukkit.Material;
 import org.bukkit.Sound;
 import org.bukkit.SoundCategory;
 import org.bukkit.entity.Player;
@@ -61,11 +58,6 @@ public class BungeeReceiver implements PluginMessageListener {
             Player player = Bukkit.getPlayer(SteamwarUser.get(byteArrayDataInput.readInt()).getUUID());
             player.closeInventory();
         });
-        registerHandler(PacketIdManager.MATERIALS_GET_PACKET, byteArrayDataInput -> {
-            UUID id = UUID.fromString(byteArrayDataInput.readUTF());
-            MaterialsReturnPacket packet = new MaterialsReturnPacket(id, Material.values());
-            packet.send(Bukkit.getOnlinePlayers().stream().limit(1).collect(Collectors.toList()).get(0));
-        });
         registerHandler(PacketIdManager.CHECK_PLUGIN, byteArrayDataInput -> {
             String id = byteArrayDataInput.readUTF();
             String plugin = byteArrayDataInput.readUTF();
diff --git a/SpigotCore_Main/src/de/steamwar/comms/handlers/InventoryHandler.java b/SpigotCore_Main/src/de/steamwar/comms/handlers/InventoryHandler.java
index 433aa86..521755e 100644
--- a/SpigotCore_Main/src/de/steamwar/comms/handlers/InventoryHandler.java
+++ b/SpigotCore_Main/src/de/steamwar/comms/handlers/InventoryHandler.java
@@ -28,6 +28,7 @@ import de.steamwar.inventory.SWItem;
 import de.steamwar.sql.SteamwarUser;
 import org.bukkit.Bukkit;
 import de.steamwar.comms.packets.*;
+import org.bukkit.event.inventory.InventoryType;
 
 import java.util.*;
 
@@ -45,12 +46,17 @@ public class InventoryHandler implements BungeeHandler {
         for (int i = 0; i < length; i++) {
             JsonObject itemJson = array.get(i).getAsJsonObject();
             SWItem item = SWItem.getItemFromJson(itemJson);
-            item.setCallback(click -> new InventoryCallbackPacket(itemJson, click, player).send(Bukkit.getPlayer(player)));
+            item.setCallback(click -> {
+                new InventoryCallbackPacket(itemJson, click, player).send(Bukkit.getPlayer(player));
+            });
             items.put(itemJson.get("position").getAsInt(), item);
         }
 
         SWInventory inventory = new SWInventory(Bukkit.getPlayer(player), size, title, items);
-        inventory.addCloseCallback(click -> new InventoryCallbackPacket(player).send(Bukkit.getPlayer(player)));
+        inventory.addCloseCallback(click -> {
+            if(Bukkit.getPlayer(player).getOpenInventory().getType() == InventoryType.CRAFTING)
+                new InventoryCallbackPacket(player).send(Bukkit.getPlayer(player));
+        });
         inventory.open();
     }
 }
diff --git a/SpigotCore_Main/src/de/steamwar/comms/packets/MaterialsReturnPacket.java b/SpigotCore_Main/src/de/steamwar/comms/packets/MaterialsReturnPacket.java
deleted file mode 100644
index 6feb97d..0000000
--- a/SpigotCore_Main/src/de/steamwar/comms/packets/MaterialsReturnPacket.java
+++ /dev/null
@@ -1,55 +0,0 @@
-/*
-    This file is a part of the SteamWar software.
-
-    Copyright (C) 2020  SteamWar.de-Serverteam
-
-    This program is free software: you can redistribute it and/or modify
-    it under the terms of the GNU Affero General Public License as published by
-    the Free Software Foundation, either version 3 of the License, or
-    (at your option) any later version.
-
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-    GNU Affero General Public License for more details.
-
-    You should have received a copy of the GNU Affero General Public License
-    along with this program.  If not, see <https://www.gnu.org/licenses/>.
- */
-
-package de.steamwar.comms.packets;
-
-import com.google.common.io.ByteArrayDataOutput;
-import com.google.gson.JsonArray;
-import de.steamwar.comms.PacketIdManager;
-import org.bukkit.Material;
-import org.bukkit.inventory.ItemStack;
-
-import java.util.UUID;
-
-public class MaterialsReturnPacket extends SpigotPacket{
-
-    final UUID id;
-    final Material[] array;
-
-    public MaterialsReturnPacket(UUID id, Material[] array) {
-        this.id = id;
-        this.array = array;
-    }
-
-    @Override
-    public int getName() {
-        return PacketIdManager.MATERIALS_RETURN_PACKET;
-    }
-
-    @Override
-    public void writeVars(ByteArrayDataOutput byteArrayDataOutput) {
-        byteArrayDataOutput.writeUTF(id.toString());
-        JsonArray array = new JsonArray();
-        for (int i = 0; i < this.array.length; i++) {
-            if(new ItemStack(this.array[i]).getItemMeta() != null && this.array[i].isItem())
-                array.add(this.array[i].name());
-        }
-        byteArrayDataOutput.writeUTF(array.toString());
-    }
-}
diff --git a/SpigotCore_Main/src/de/steamwar/sql/Schematic.java b/SpigotCore_Main/src/de/steamwar/sql/Schematic.java
index fb4846f..00bff09 100644
--- a/SpigotCore_Main/src/de/steamwar/sql/Schematic.java
+++ b/SpigotCore_Main/src/de/steamwar/sql/Schematic.java
@@ -61,8 +61,8 @@ public class Schematic {
 	}
 
 	public static void createSchem(String schemName, int schemOwner, String item, SchematicType schemType){
-		SQL.update("INSERT INTO Schematic (SchemName, SchemOwner, Item, SchemType) VALUES (?, ?, ?, ?) ON DUPLICATE KEY UPDATE Item = VALUES(Item), SchemType = VALUES(SchemType)",
-				schemName, schemOwner, item, schemType.toDB());
+		SQL.update("INSERT INTO Schematic (SchemName, SchemOwner, Item, SchemType, Rank) VALUES (?, ?, ?, ?, ?) ON DUPLICATE KEY UPDATE Item = VALUES(Item), SchemType = VALUES(SchemType)",
+				schemName, schemOwner, item, schemType.toDB(), 0);
 	}
 
 	public static Schematic getSchemFromDB(String schemName, UUID schemOwner){