"Inventory by inventory dimension aging report" Illegal date interval

When I run the “Inventory by inventory dimension aging report” inputting only the as on date it works fine.

For example, As on: 2014/05/26.

Contents : quantity

However, when I put the Column1, Column2, Column3, Column4, I have got “Illegal date interval” ???

For example, As on: 2014/05/26

Column 1 : 2014/04/26

Column 2 : 2014/03/26

Column 3 : 2014/02/26

Column 4 : 2014/01/26

Contents : quantity

You have entered in a reverse order. the column 1, shouldn’t be greater than column 2.

column 2, shouldn’t be greater than column 3

column 3, shouldn’t be greater than column 4