diff --git a/buisnesslogic/src/main/java/com/plannaplan/services/GroupService.java b/buisnesslogic/src/main/java/com/plannaplan/services/GroupService.java
index 1cd4971..29673ec 100755
--- a/buisnesslogic/src/main/java/com/plannaplan/services/GroupService.java
+++ b/buisnesslogic/src/main/java/com/plannaplan/services/GroupService.java
@@ -5,6 +5,7 @@ import java.util.List;
 import java.util.Objects;
 import java.util.Optional;
 import java.util.stream.Collectors;
+import java.util.function.Function;
 
 import com.plannaplan.entities.Groups;
 import com.plannaplan.repositories.GroupRepository;
@@ -63,8 +64,18 @@ public class GroupService {
     public HashMap<Long, Integer> getTakenPlaces(List<Groups> groups) {
         HashMap<Long, Integer> response = new HashMap<>();
 
-        List<Object[]> respoonses = this.repo.getAssignedAmounts(
-                groups.stream().filter(Objects::nonNull).map(Groups::getId).collect(Collectors.toList()));
+        // List<Object[]> respoonses = this.repo.getAssignedAmounts(
+        // groups.stream().filter(Objects::nonNull).map(Groups::getId).collect(Collectors.toList()));
+
+        List<Object[]> respoonses = this.repo
+                .getAssignedAmounts(groups.stream().filter(Objects::nonNull).map(new Function<Groups, Long>() {
+                    @Override
+                    public Long apply(Groups p) {
+                        final Long id = p.getId();
+                        response.put(id, 0);
+                        return id;
+                    }
+                }).collect(Collectors.toList()));
 
         for (Object[] element : respoonses) {
             response.put(((Groups) element[0]).getId(), ((Long) element[1]).intValue());