Hotfix Schem Save

Signed-off-by: Chaoscaot <chaoscaot444@gmail.com>

SchematicSystem_Core/src/de/steamwar/schematicsystem/commands/SchematicCommand.java

@@ -118,9 +118,9 @@ public class SchematicCommand extends SWCommand {
     public void saveSchem(Player player) {
         SchematicSelector selector = new SchematicSelector(player, SchematicSelector.selectSchematicNode(), schematicNode -> {
             SteamwarUser user = SteamwarUser.get(player.getUniqueId());
-            if(schematicNode.isDir()) {
+            if(schematicNode == null || schematicNode.isDir()) {
                 SWAnvilInv anvilInv = new SWAnvilInv(player, "Namen eingeben");
-                anvilInv.setCallback(s -> saveSchem(player, schematicNode.generateBreadcrumbs(user) + s));
+                anvilInv.setCallback(s -> saveSchem(player, schematicNode==null?s:(schematicNode.generateBreadcrumbs(user) + s)));
                 anvilInv.setItem(Material.CAULDRON);
                 anvilInv.open();
             } else {