How To Fix CO028 - Backward scheduling (enter finish date)


SAP Error Message - Details

  • Message type: E = Error

  • Message class: CO - PPC order processing messages

  • Message number: 028

  • Message text: Backward scheduling (enter finish date)

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  • Self-Explanatory Message

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    To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

    Unfortunately, there isn't any extra information in this error notice.



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Smart SAP Assistant

  • What is the cause and solution for SAP error message CO028 - Backward scheduling (enter finish date) ?

    The SAP error message CO028, which states "Backward scheduling (enter finish date)," typically occurs in the context of production planning and control when a user attempts to schedule a production order or operation without providing a finish date. This error is related to the backward scheduling process, where the system calculates the start date based on a specified finish date.

    Cause:

    1. Missing Finish Date: The primary cause of this error is that the user has not entered a finish date for the production order or operation.
    2. Scheduling Parameters: The scheduling parameters may not be set correctly, leading to the system requiring a finish date for backward scheduling.
    3. Configuration Issues: There may be configuration settings in the production planning module that require a finish date for certain types of orders or operations.

    Solution:

    1. Enter a Finish Date: The most straightforward solution is to enter a valid finish date for the production order or operation. This allows the system to perform backward scheduling correctly.
    2. Check Scheduling Settings: Review the scheduling settings in the production order or operation to ensure that they are configured correctly. This includes checking the parameters for backward scheduling.
    3. Review Order Type Configuration: If the issue persists, check the configuration of the order type in the system. Ensure that it allows for backward scheduling and that all necessary fields are filled out.
    4. Consult Documentation: Refer to SAP documentation or help resources for specific guidance on scheduling and production order management.

    Related Information:

    • Backward Scheduling: This is a method where the system calculates the start date of an operation based on a specified finish date, taking into account the duration of the operation and any lead times.
    • Production Order Management: Understanding how production orders are managed in SAP can help in troubleshooting scheduling issues.
    • SAP Notes and Support: If the problem is not resolved through the above steps, consider checking SAP Notes for any known issues or patches related to this error message.

    If you continue to experience issues, it may be beneficial to consult with your SAP support team or a consultant who specializes in SAP production planning.

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