SpigotCore_Main/src/de/steamwar/sql/Schematic.java

@@ -81,7 +81,9 @@ public class Schematic {
     public static List<Schematic> getSchemsAccessibleByUser(int schemOwner){
         List<Schematic> schematics = new ArrayList<>();
         SchematicNode.getSchematicsAccessibleByUser(schemOwner, null)
-                .forEach(node1 -> schematics.add(new Schematic(node1)));
+                .forEach(node1 -> {
+                    if (!node1.isDir()) schematics.add(new Schematic(node1));
+                });
         return schematics;
     }
 
@@ -92,7 +94,9 @@ public class Schematic {
     public static List<Schematic> getSchemsOfType(int schemOwner, SchematicType schemType){
         List<Schematic> schematics = new ArrayList<>();
         SchematicNode.getSchematicsOfType(schemOwner, schemType.toDB(), null)
-                .forEach(node1 -> schematics.add(new Schematic(node1)));
+                .forEach(node1 -> {
+                    if (!node1.isDir()) schematics.add(new Schematic(node1));
+                });
         return schematics;
     }
 

SpigotCore_Main/src/de/steamwar/sql/SchematicNode.java

@@ -186,7 +186,7 @@ public class SchematicNode {
 
     public static List<SchematicNode> getSchematicsOfType(int owner, String schemType, Integer parent) {
         List<SchematicNode> schems = getAllSchematicsAccessibleByUser(owner);
-        schems.removeIf(node -> !node.getType().equals(schemType));
+        schems.removeIf(node -> node.isDir() || !node.getType().equals(schemType));
         Map<Integer, SchematicNode> nodesInParent = new LinkedHashMap<>();
         for (SchematicNode schematicNode : schems) {
             SchematicNode currentNode = schematicNode;