Config worksgit add .git add .

buisnesslogic/src/main/java/com/plannaplan/services/GroupService.java

@@ -11,6 +11,9 @@ public class GroupService {
     @Autowired
     private GroupRepository repo;
 
+    public GroupService() {
+    }
+
     public Groups find(int time, int capacity, String room) {
         return this.repo.find(time, room, capacity);
     }