Order related Issue ? (Bug)

1- Start Work Period by Current Date

2-Logout

3-Change The System Time exampl- 01-Sep-13

4-Login and Take Orders and Done Payment

5- Check the report it won't display it as usual.

6- If Work Period Date is 26- Jan-2014

7-how can it take Order of 01-Sep-13

it should show some Error msg

Payment is displayed only in Cash Account