Subcategories not grouped under parent category "By Category (Top-down)" report

In Entities I have next Hierarchy:

Groceries
   Fruit
      Apples
      Oranges
      ... etc.
   Vegetables
      Potatoes
      Broccoli
      ... etc.
Home supplies
Taxes
... etc.

In report I saw:

Groceries --- 1950
Home supplies --- 1000
Taxes --- 500

I did tap by "Groceries" and before version 1.5.6 I saw next structure:

Fruit --- 1000
     Apples --- 700
     Oranges --- 300
Vegetables --- 950
     Potatoes --- 600
     Broccoli --- 350

Now it has structure:

Fruit --- 1000
Vegetables --- 900
Apples --- 700
Potatoes --- 600
Broccoli --- 350
Oranges --- 300

Occurred on: Samsung Galaxy S, 2.3.6