How To Fix CN687 - Delivery date: Previous working day is the &

CN687 - Overview

• Message type: E = Error

• Message class: CN - Meldungen für Netzpläne

• Message number: 687

• Message text: Delivery date: Previous working day is the &

Self-Explanatory Message

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CN687 - Details

• The SAP error message CN687 typically indicates an issue related to scheduling in project management or production planning. The message suggests that the delivery date you are trying to set is not valid because it falls on a non-working day or is not aligned with the project's scheduling parameters.
  
  Cause:
  
  Non-Working Day: The date you are trying to set as the delivery date is a non-working day (e.g., weekend or holiday) according to the calendar settings in SAP.
  Project Calendar Settings: The project or task may have specific calendar settings that define working and non-working days, which could lead to this error if the date does not comply.
  Scheduling Parameters: The scheduling parameters for the project or task may not allow for the selected date due to constraints or dependencies.
  
  
  Solution:
  
  
  Check the Calendar Settings:
  
  Go to the transaction code SCAL to check the factory calendar settings.
  Ensure that the date you are trying to set is a