diff --git a/src/de/steamwar/bungeecore/commands/CheckCommand.java b/src/de/steamwar/bungeecore/commands/CheckCommand.java
index 3ae1626..b44da4e 100644
--- a/src/de/steamwar/bungeecore/commands/CheckCommand.java
+++ b/src/de/steamwar/bungeecore/commands/CheckCommand.java
@@ -239,7 +239,7 @@ public class CheckCommand extends BasicCommand {
                     return;
                 }
 
-                ArenaMode mode = ArenaMode.getBySchemType(schematic.getSchemtype());
+                ArenaMode mode = ArenaMode.getBySchemType(schematic.getSchemtype().fightType());
                 SubserverSystem.startTestServer(checker, mode, FightCommand.getMap(checker, mode, "Random"), schematic.getId(), 0);
                 currentCheckers.put(checker.getUniqueId(), this);
                 currentSchems.put(schematic.getId(), this);
diff --git a/src/de/steamwar/bungeecore/sql/SchematicNode.java b/src/de/steamwar/bungeecore/sql/SchematicNode.java
index 83e9391..cea408c 100644
--- a/src/de/steamwar/bungeecore/sql/SchematicNode.java
+++ b/src/de/steamwar/bungeecore/sql/SchematicNode.java
@@ -32,7 +32,6 @@ import java.util.function.Predicate;
 import java.util.zip.GZIPInputStream;
 
 public class SchematicNode {
-
     private static final Statement createNode = new Statement("INSERT INTO SchematicNode (NodeName, NodeOwner, ParentNode, NodeType, NodeItem) VALUES (?, ?, ?, ?, ?) ON DUPLICATE KEY UPDATE NodeName = VALUES(NodeName), ParentNode = VALUES(ParentNode), NodeItem = VALUES(NodeItem), NodeType = VALUES(NodeType), NodeItem = VALUES(NodeItem)");
     private static final Statement getSchematicNode_Null = new Statement("SELECT NodeId, NodeName, NodeOwner, ParentNode, NodeType, NodeItem, NodeRank, NodeFormat, LastUpdate FROM SchematicNode WHERE NodeOwner = ? AND NodeName = ? AND ParentNode is NULL");
     private static final Statement getSchematicNode = new Statement("SELECT NodeId, NodeName, NodeOwner, ParentNode, NodeType, NodeItem, NodeRank, NodeFormat, LastUpdate FROM SchematicNode WHERE NodeOwner = ? AND NodeName = ? AND ParentNode = ?");
@@ -69,7 +68,7 @@ public class SchematicNode {
     }
 
     public static SchematicNode createSchematicNode(int owner, String name, Integer parent, String type, String item) {
-        if (parent == 0)
+        if (parent != null && parent == 0)
             parent = null;
         createNode.update(name, owner, parent, type, item);
         return getSchematicNode(owner, name, parent);
@@ -86,6 +85,9 @@ public class SchematicNode {
         owner = set.getInt("NodeOwner");
         name = set.getString("NodeName");
         parent = set.getInt("ParentNode");
+        if(set.wasNull()) {
+            parent = null;
+        }
         item = set.getString("NodeItem");
         type = set.getString("NodeType");
         lastUpdate = set.getTimestamp("LastUpdate");
@@ -409,6 +411,7 @@ public class SchematicNode {
     }
 
     public SchematicNode getParentNode() {
+        if(parent == null) return null;
         return SchematicNode.getSchematicNode(parent);
     }
 
@@ -449,6 +452,13 @@ public class SchematicNode {
         this.brCache.clear();
     }
 
+    public void delete() {
+        if (isDir()) {
+            getSchematicNodeInNode(getId()).forEach(SchematicNode::delete);
+        }
+        deleteNode.update(id);
+    }
+
     @Override
     public boolean equals(Object obj) {
         if (!(obj instanceof SchematicNode))