Checkpoint - unstisfied dependency error ater adding gropus

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

@@ -1,5 +1,6 @@
 package com.plannaplan.services;
 
+import com.plannaplan.entities.Groups;
 import com.plannaplan.repositories.GroupRepository;
 
 import org.springframework.beans.factory.annotation.Autowired;
@@ -9,4 +10,12 @@ import org.springframework.stereotype.Service;
 public class GroupService {
     @Autowired
     private GroupRepository repo;
+
+    public Groups find(int time, int capacity, String room) {
+        return this.repo.find(time, room, capacity);
+    }
+
+    public void save(Groups group) {
+        this.repo.save(group);
+    }
 }