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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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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:
- 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.
- Scheduling Parameters: The scheduling parameters may not be set correctly, leading to the system requiring a finish date for backward scheduling.
- 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:
- 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.
- 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.
- 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.
- Consult Documentation: Refer to SAP documentation or help resources for specific guidance on scheduling and production order management.
Related Information:
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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