How To Fix /SAPAPO/CDPSOPT351 - There is no valid start time for order &1; optimization terminating

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/CDPSOPT -

• Message number: 351

• Message text: There is no valid start time for order &1; optimization terminating

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/CDPSOPT351 - There is no valid start time for order &1; optimization terminating ?

  The SAP error message /SAPAPO/CDPSOPT351 indicates that there is no valid start time for a specific order in the context of the SAP Advanced Planning and Optimization (APO) module. This error typically arises during the optimization process when the system cannot determine a feasible start time for the order, which can prevent the optimization from proceeding.
  Causes:
  
  Missing or Incorrect Start Time: The order may not have a defined start time, or the defined start time may not be valid (e.g., it is in the past or conflicts with other scheduling constraints).
  Order Status: The order might be in a status that does not allow it to be scheduled or optimized.
  Resource Availability: There may be no available resources (e.g., machines, labor) to execute the order at the required time.
  Planning Parameters: Incorrect planning parameters or settings in the APO system can lead to scheduling issues.
  Dependencies and Constraints: There may be dependencies or constraints related to other orders or resources that prevent the order from being scheduled.
  
  Solutions:
  
  Check Order Details: Review the order in question to ensure that it has a valid start time and that all necessary details are correctly filled out.
  Adjust Scheduling Parameters: If the start time is not valid, adjust the scheduling parameters or constraints to allow for a feasible start time.
  Resource Availability Check: Ensure that the required resources are available for the order at the desired start time. If not, consider rescheduling or reallocating resources.
  Review Order Status: Make sure the order is in a status that allows it to be optimized. If it is in a status that prevents scheduling, change it to an appropriate status.
  Run Planning Runs: If applicable, run a planning run to re-evaluate the scheduling of orders and resources.
  Consult Documentation: Refer to SAP documentation or help resources for specific details on the error message and related configuration settings.
  
  Related Information:
  
  Transaction Codes: You may want to use transaction codes like /SAPAPO/OPTIMIZE or /SAPAPO/CDPS to access the relevant optimization and planning functions.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  System Logs: Review system logs for additional error messages or warnings that may provide more context about the issue.
  Consult with SAP Support: If the issue persists, consider reaching out to SAP support for further assistance, especially if it is impacting critical business processes.
  
  By addressing the underlying causes and following the suggested solutions, you should be able to resolve the error and successfully proceed with the optimization process in SAP APO.