diff --git a/SchematicSystem_Core/src/de/steamwar/schematicsystem/CheckSchemType.java b/SchematicSystem_Core/src/de/steamwar/schematicsystem/CheckSchemType.java
index f3c3a01..6a929a3 100644
--- a/SchematicSystem_Core/src/de/steamwar/schematicsystem/CheckSchemType.java
+++ b/SchematicSystem_Core/src/de/steamwar/schematicsystem/CheckSchemType.java
@@ -23,7 +23,7 @@ import com.sk89q.worldedit.extent.clipboard.Clipboard;
 import de.steamwar.core.Core;
 import de.steamwar.core.VersionDependent;
 import de.steamwar.sql.NoClipboardException;
-import de.steamwar.sql.Schematic;
+import de.steamwar.sql.SchematicNode;
 import de.steamwar.sql.SchematicType;
 import org.bukkit.Bukkit;
 import org.bukkit.configuration.ConfigurationSection;
@@ -88,7 +88,7 @@ public class CheckSchemType {
         return types.get(type);
     }
 
-    public AutoCheckResult autoCheck(Schematic schematic) {
+    public AutoCheckResult autoCheck(SchematicNode schematic) {
         AutoCheckResult result = new AutoCheckResult(this);
         Clipboard clipboard;
         try {
diff --git a/SchematicSystem_Core/src/de/steamwar/schematicsystem/commands/GUI.java b/SchematicSystem_Core/src/de/steamwar/schematicsystem/commands/GUI.java
index 0d7a153..514e4b9 100644
--- a/SchematicSystem_Core/src/de/steamwar/schematicsystem/commands/GUI.java
+++ b/SchematicSystem_Core/src/de/steamwar/schematicsystem/commands/GUI.java
@@ -64,7 +64,7 @@ public class GUI {
         if(!node.isDir()) {
             inv.setItem(0, SWItem.getMaterial("WOOD_AXE"), "§eLaden", click -> {
                 player.closeInventory();
-                SchematicSystem.SCHEMATIC_COMMAND.loadSchem(player, node);
+                SchematicSystem.getInstance().SCHEMATIC_COMMAND.loadSchem(player, node);
             });
         }
 
@@ -95,7 +95,7 @@ public class GUI {
                 });
                 inv.setItem(4, SWItem.getMaterial("MAGENTA_GLAZED_TERRACOTTA"), "§eDownload", click -> {
                     player.closeInventory();
-                    SchematicSystem.SCHEMATIC_COMMAND.download(player, node);
+                    SchematicSystem.getInstance().SCHEMATIC_COMMAND.download(player, node);
                 });
             }
             SWItem skull = SWItem.getPlayerSkull("MHF_STEVE");
@@ -163,7 +163,7 @@ public class GUI {
 
         SWListInv<SchematicType> inv = new SWListInv<>(p, "Typ ändern", types, (clickType, schematicType) -> {
             p.closeInventory();
-            SchematicSystem.SCHEMATIC_COMMAND.changeType(p, schem, schematicType);
+            SchematicSystem.getInstance().SCHEMATIC_COMMAND.changeType(p, schem, schematicType);
         });
         inv.setCallback(-999, (ClickType click) -> p.closeInventory());
         inv.open();
diff --git a/SchematicSystem_Core/src/de/steamwar/schematicsystem/commands/SchematicCommand.java b/SchematicSystem_Core/src/de/steamwar/schematicsystem/commands/SchematicCommand.java
index ab58ddb..847f1fa 100644
--- a/SchematicSystem_Core/src/de/steamwar/schematicsystem/commands/SchematicCommand.java
+++ b/SchematicSystem_Core/src/de/steamwar/schematicsystem/commands/SchematicCommand.java
@@ -124,7 +124,7 @@ public class SchematicCommand extends SWCommand {
         player.sendMessage("§7--==( §eSteam§8War §eSchematic-System §7)==--");
         player.sendMessage("§7Anzahl an Schematics: §e" + SchematicNode.countNodes());
         player.sendMessage("§7Von dir einsehbar: §e" + SchematicNode.getAllSchematicsAccessibleByUser(getUser(player).getId()).size());
-        player.sendMessage("§7Autoren: §e" + Arrays.toString(SchematicSystem.INSTANCE.getDescription().getAuthors().toArray()));
+        player.sendMessage("§7Autoren: §e" + Arrays.toString(SchematicSystem.getInstance().getDescription().getAuthors().toArray()));
     }
 
     @Register("list")
diff --git a/SchematicSystem_Main/src/de/steamwar/schematicsystem/commands/SchematicCommandHelp.java b/SchematicSystem_Core/src/de/steamwar/schematicsystem/commands/SchematicCommandHelp.java
similarity index 100%
rename from SchematicSystem_Main/src/de/steamwar/schematicsystem/commands/SchematicCommandHelp.java
rename to SchematicSystem_Core/src/de/steamwar/schematicsystem/commands/SchematicCommandHelp.java
diff --git a/SchematicSystem_Main/src/de/steamwar/schematicsystem/commands/SchematicCommandUtils.java b/SchematicSystem_Core/src/de/steamwar/schematicsystem/commands/SchematicCommandUtils.java
similarity index 100%
rename from SchematicSystem_Main/src/de/steamwar/schematicsystem/commands/SchematicCommandUtils.java
rename to SchematicSystem_Core/src/de/steamwar/schematicsystem/commands/SchematicCommandUtils.java
diff --git a/SchematicSystem_Main/pom.xml b/SchematicSystem_Main/pom.xml
deleted file mode 100644
index fef4162..0000000
--- a/SchematicSystem_Main/pom.xml
+++ /dev/null
@@ -1,60 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0"
-         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
-    <modelVersion>4.0.0</modelVersion>
-
-    <parent>
-        <groupId>steamwar</groupId>
-        <artifactId>SchematicSystem</artifactId>
-        <version>1.0</version>
-    </parent>
-
-    <properties>
-        <main.basedir>${project.basedir}/..</main.basedir>
-    </properties>
-
-    <artifactId>SchematicSystem_Main</artifactId>
-    <version>1.0</version>
-
-    <build>
-        <defaultGoal>clean verify -U</defaultGoal>
-        <plugins>
-            <plugin>
-                <groupId>org.apache.maven.plugins</groupId>
-                <artifactId>maven-shade-plugin</artifactId>
-                <version>3.2.1</version>
-                <executions>
-                    <execution>
-                        <phase>package</phase>
-                        <goals>
-                            <goal>shade</goal>
-                        </goals>
-                    </execution>
-                </executions>
-            </plugin>
-        </plugins>
-        <finalName>schematicsystem</finalName>
-    </build>
-
-    <dependencies>
-        <dependency>
-            <groupId>steamwar</groupId>
-            <artifactId>SchematicSystem_15</artifactId>
-            <version>1.0</version>
-            <scope>compile</scope>
-        </dependency>
-        <dependency>
-            <groupId>steamwar</groupId>
-            <artifactId>SchematicSystem_8</artifactId>
-            <version>1.0</version>
-            <scope>compile</scope>
-        </dependency>
-        <dependency>
-            <groupId>steamwar</groupId>
-            <artifactId>SchematicSystem_Core</artifactId>
-            <version>1.0</version>
-            <scope>compile</scope>
-        </dependency>
-    </dependencies>
-</project>
\ No newline at end of file
diff --git a/pom.xml b/pom.xml
index 8973ac5..60ec21a 100644
--- a/pom.xml
+++ b/pom.xml
@@ -32,7 +32,6 @@
     <modules>
         <module>SchematicSystem_8</module>
         <module>SchematicSystem_15</module>
-        <module>SchematicSystem_Main</module>
         <module>SchematicSystem_Core</module>
     </modules>