Diagnosis
During the forecast run, the system keeps the first days for the periodin the memory to improve performance as much as possible when creatingthe forecast time series. The system discovered errors when accessingthis memory.

System Response
The system cannot calculate a forecast.

Procedure
This could be due to insufficient maintenance of the posting periods orfactory calendar. Posting periods and/or factory calendars must beavailable in the system as far into the future or past as is proscribedby the maintenance of the corresponding forecast master data(historical periods and/or forecast periods). Enter the relevant masterdata if necessary.