How To Fix COSE018 - Sequence &, operation &: Dispatching not possible

SAP Error Message - Details

• Message type: E = Error

• Message class: COSE - Change Production Order

• Message number: 018

• Message text: Sequence &, operation &: Dispatching not possible

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message COSE018 - Sequence &, operation &: Dispatching not possible ?

  The SAP error message COSE018 ("Sequence &, operation &: Dispatching not possible") typically occurs in the context of production planning and control, particularly when dealing with production orders, sequences, and operations in SAP's PP (Production Planning) module. This error indicates that the system is unable to dispatch a particular operation in a sequence due to various reasons.
  Causes:
  
  Operation Status: The operation may be in a status that does not allow it to be dispatched (e.g., it might be set to "not released" or "completed").
  Resource Availability: The required resources (machines, tools, etc.) may not be available or may be in use by another operation.
  Scheduling Conflicts: There may be scheduling conflicts that prevent the operation from being dispatched at the desired time.
  Missing Dependencies: The operation may have dependencies on previous operations that have not been completed.
  Incorrect Sequence Configuration: The sequence configuration may not be set up correctly, leading to issues in dispatching operations.
  
  Solutions:
  
  Check Operation Status: Verify the status of the operation in the production order. Ensure that it is released and ready for dispatch.
  Resource Check: Ensure that the necessary resources are available and not blocked by other operations. You may need to reschedule or allocate resources accordingly.
  Review Scheduling: Check the scheduling of the operations to ensure there are no conflicts. Adjust the scheduling if necessary.
  Complete Previous Operations: Make sure that all preceding operations in the sequence are completed before attempting to dispatch the current operation.
  Configuration Review: Review the sequence configuration in the routing to ensure that it is set up correctly and that all dependencies are properly defined.
  Consult Logs: Check the system logs for any additional error messages or warnings that may provide more context on the issue.
  
  Related Information:
  
  Transaction Codes: You may use transaction codes like CO02 (Change Production Order) or CO03 (Display Production Order) to check the status and details of the production order.
  SAP Notes: Look for relevant SAP Notes that may address specific issues related to this error message.
  Documentation: Refer to SAP documentation for detailed information on production order management and dispatching processes.
  Support: If the issue persists, consider reaching out to your SAP support team or consulting with an SAP expert for further assistance.
  
  By following these steps, you should be able to identify the root cause of the COSE018 error and implement the necessary solutions to resolve it.