SAP Message RU440 - Error in actual time determination

System Response
With breakpoint-, partially completed and final confirmations theactual time is calculated for the confirmation interval therebycompleted. Here an error has occurred.

Procedure
You should check whether one of the following points could havetriggered the error:

  • No shift sequence was assigned to the work center.

  • No available capacity was defined for capacity entered in the work
  • center for scheduling.
    • The factory calendar has not been maintained for the current calendar
    • year.
      • The reporting time lies before 01.01.1970.

      • The work center entered does not exist.