How To Fix CY339 - Start date in the past

SAP Error Message - Details

• Message type: E = Error

• Message class: CY - Capacity Requirements Planning

• Message number: 339

• Message text: Start date in the past

What causes this issue?

You are trying to dispatch the operation &V3& for the order &V2& with
the order type &V1& to a particular date which is in the past.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CY339 - Start date in the past ?

  The SAP error message CY339, which states "Start date in the past," typically occurs in the context of planning or scheduling activities within SAP, particularly in modules like SAP Production Planning (PP) or SAP Controlling (CO). This error indicates that the start date you are trying to enter for a planning activity, such as a production order or a cost center planning activity, is set to a date that has already passed.
  Cause:
  
  Incorrect Date Entry: The user may have mistakenly entered a start date that is earlier than the current date.
  System Configuration: The system may have specific settings that restrict planning activities to future dates only.
  Data Migration Issues: If data has been migrated from another system, it may contain past dates that are not valid in the current context.
  
  Solution:
  
  Check the Date: Verify the start date you are trying to enter. Ensure that it is set to a future date.
  Adjust Planning Parameters: If applicable, review the planning parameters or settings in the system to ensure they allow for the desired date range.
  Consult Documentation: Refer to SAP documentation or help files for specific guidelines on date entry for the module you are working with.
  User Training: Ensure that users are trained on the correct procedures for entering dates in the system to avoid future errors.
  System Configuration Review: If the issue persists, it may be necessary to consult with your SAP Basis or configuration team to review system settings that may be causing this restriction.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Transaction Codes: Familiarize yourself with relevant transaction codes (e.g., CO01 for creating production orders, or KP06 for cost center planning) to understand where the error might be occurring.
  User Forums: Engage with SAP community forums or user groups for additional insights and solutions from other users who may have encountered the same issue.
  
  If the problem continues after following these steps, it may be beneficial to reach out to your SAP support team for further assistance.