diff --git a/SpigotCore_Main/src/de/steamwar/sql/Schematic.java b/SpigotCore_Main/src/de/steamwar/sql/Schematic.java
index b4b2115..038e574 100644
--- a/SpigotCore_Main/src/de/steamwar/sql/Schematic.java
+++ b/SpigotCore_Main/src/de/steamwar/sql/Schematic.java
@@ -20,15 +20,9 @@
 package de.steamwar.sql;
 
 import com.sk89q.worldedit.extent.clipboard.Clipboard;
-import de.steamwar.core.VersionedCallable;
-import de.steamwar.core.VersionedRunnable;
 import org.bukkit.entity.Player;
 
 import java.io.IOException;
-import java.io.InputStream;
-import java.sql.Blob;
-import java.sql.ResultSet;
-import java.sql.SQLException;
 import java.util.ArrayList;
 import java.util.List;
 import java.util.UUID;
diff --git a/SpigotCore_Main/src/de/steamwar/sql/SchematicNode.java b/SpigotCore_Main/src/de/steamwar/sql/SchematicNode.java
index 226f3c3..a9f63fd 100644
--- a/SpigotCore_Main/src/de/steamwar/sql/SchematicNode.java
+++ b/SpigotCore_Main/src/de/steamwar/sql/SchematicNode.java
@@ -33,15 +33,12 @@ import java.util.*;
 
 public class SchematicNode {
 
-    private static final String DIR_TYPE = "directory";
-    public static final int ROOT_DIR = 0;
-
     public static SchematicNode createSchematic(int owner, String name, int parent) {
         return createSchematicNode(owner, name, parent, SchematicType.Normal.toDB(), "");
     }
 
     public static SchematicNode createSchematicDirectory(int owner, String name, int parent) {
-        return createSchematicNode(owner, name, parent, DIR_TYPE, "");
+        return createSchematicNode(owner, name, parent, null, "");
     }
 
     public static SchematicNode createSchematicNode(int owner, String name, int parent, String type, String item) {
@@ -222,6 +219,7 @@ public class SchematicNode {
     private String type;
     private boolean schemFormat;
     private int rank;
+    private boolean isDir;
 
     private SchematicNode(ResultSet set) throws SQLException {
         id = set.getInt("NodeId");
@@ -230,8 +228,13 @@ public class SchematicNode {
         parent = set.getInt("ParentNode");
         item = set.getString("NodeItem");
         type = set.getString("NodeType");
-        rank = set.getInt("NodeRank");
-        schemFormat = set.getBoolean("SchemFormat");
+        if(type != null) {
+            isDir = false;
+            rank = set.getInt("NodeRank");
+            schemFormat = set.getBoolean("SchemFormat");
+        }else {
+            isDir = true;
+        }
     }
 
     public int getId() {
@@ -270,27 +273,37 @@ public class SchematicNode {
     }
 
     public String getType() {
+        if(isDir)
+            throw new SecurityException("Node is Directory");
         return type;
     }
 
     public void setType(String type) {
+        if(isDir)
+            throw new SecurityException("Node is Directory");
         this.type = type;
         updateDB();
     }
 
     public boolean isDir() {
-        return type.equals(DIR_TYPE);
+        return isDir;
     }
 
     public boolean getSchemFormat() {
+        if(isDir)
+            throw new SecurityException("Node is Directory");
         return schemFormat;
     }
 
     public int getRank() {
+        if(isDir)
+            throw new SecurityException("Node is Directory");
         return rank;
     }
 
     public void setRank(int rank) {
+        if(isDir)
+            throw new SecurityException("Node is Directory");
         this.rank = rank;
     }
 
@@ -325,6 +338,8 @@ public class SchematicNode {
     }
 
     public Clipboard load() throws IOException, NoClipboardException {
+        if(isDir)
+            throw new SecurityException("Node is Directory");
         ResultSet rs = SQL.select("SELECT NodeData FROM SchematicNode WHERE NodeId = ?", id);
         try {
             rs.next();
@@ -340,6 +355,8 @@ public class SchematicNode {
     }
 
     public void loadToPlayer(Player player) throws IOException, NoClipboardException {
+        if(isDir)
+            throw new SecurityException("Node is Directory");
         ResultSet rs = SQL.select("SELECT NodeData FROM SchematicNode WHERE NodeId = ?", id);
         try {
             rs.next();
@@ -355,14 +372,20 @@ public class SchematicNode {
     }
 
     public void saveOldFormatFromPlayer(Player player) throws IOException, NoClipboardException {
+        if(isDir)
+            throw new SecurityException("Node is Directory");
         saveFromPlayer(player, false);
     }
 
     public void saveFromPlayer(Player player) throws IOException, NoClipboardException {
+        if(isDir)
+            throw new SecurityException("Node is Directory");
         saveFromPlayer(player, true);
     }
 
     public void saveFromBytes(byte[] bytes, boolean newFormat) {
+        if(isDir)
+            throw new SecurityException("Node is Directory");
         Blob blob = SQL.blob();
         try {
             blob.setBytes(1, bytes);
@@ -373,6 +396,8 @@ public class SchematicNode {
     }
 
     private void saveFromPlayer(Player player, boolean newFormat) throws IOException, NoClipboardException {
+        if(isDir)
+            throw new SecurityException("Node is Directory");
         Blob blob = SQL.blob();
         VersionedRunnable.call(new VersionedRunnable(() -> {
             try {