diff --git a/models/utils/common.go b/models/utils/common.go
index 118fe89..fe68aae 100755
--- a/models/utils/common.go
+++ b/models/utils/common.go
@@ -133,7 +133,10 @@ func GenericLoadOne[T DBObject](id string, data T, f func(DBObject) (DBObject, i
 		return nil, code, err
 	}
 	fmt.Println("APPLY", data, res_mongo)
-	res_mongo.Decode(&data)
+	if err = res_mongo.Decode(&data); err == nil {
+		return nil, 400, err
+	}
+
 	if a.ShouldVerifyAuth() && !data.VerifyAuth("get", a.GetRequest()) {
 		return nil, 403, errors.New("you are not allowed to access :" + a.GetType().String())
 	}