Message SAP WU599 - Starting date for DC price deactivation falls before &

Diagnosis
As the starting date for deactivating DC transfer prices and storedelivered prices, you entered a date that falls before the start of thelisting period.
You can only deactivate DC transfer prices within the listing period.

System Response
INCLUDE ISR_VERARBEITUNG OBJECT DOKU ID TX

Procedure
Enter a valid price.