How To Fix /SAPAPO/PCM090 - Scheduling is not possible; action is not performed

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/PCM -

• Message number: 090

• Message text: Scheduling is not possible; action is not performed

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 /SAPAPO/PCM090 - Scheduling is not possible; action is not performed ?

  The SAP error message /SAPAPO/PCM090 Scheduling is not possible; action is not performed typically occurs in the context of SAP Advanced Planning and Optimization (APO) when there is an issue with scheduling a particular action, such as a production order or a planned order. This error can arise due to various reasons, and understanding the cause is essential for finding a solution.
  Possible Causes:
  
  Resource Availability: The resources (machines, labor, etc.) required for the scheduling may not be available during the requested time frame.
  Capacity Constraints: There may be capacity constraints defined in the system that prevent the scheduling of the order.
  Incorrect Master Data: Issues with master data, such as incorrect production versions, routing, or work center settings, can lead to scheduling failures.
  Time Constraints: The time periods defined for production or planning may not align with the scheduling requirements.
  Order Status: The status of the order may not allow for scheduling (e.g., if the order is already completed or in a status that does not permit scheduling).
  Planning Version Issues: The planning version being used may not be set up correctly or may not have the necessary data.
  
  Solutions:
  
  Check Resource Availability: Verify that the required resources are available for the scheduled time. You can do this by checking the resource calendar and availability.
  Review Capacity Planning: Ensure that the capacity planning settings are correct and that there are no constraints preventing scheduling.
  Validate Master Data: Check the master data for the relevant production order or planned order. Ensure that the routing, production versions, and work centers are correctly defined.
  Adjust Time Periods: If there are time constraints, consider adjusting the time periods for production or planning to allow for scheduling.
  Check Order Status: Review the status of the order to ensure it is in a state that allows for scheduling. If necessary, change the status to allow scheduling.
  Examine Planning Version: Ensure that the planning version being used is correctly set up and contains the necessary data for scheduling.
  
  Related Information:
  
  Transaction Codes: You may use transaction codes like /SAPAPO/SDP94 (for planning board) or /SAPAPO/MC90 (for capacity planning) to analyze the situation further.
  SAP Notes: Check for any relevant SAP Notes that may address specific issues related to this error message.
  Logs and Traces: Review logs and traces for more detailed error messages that can provide additional context for the scheduling failure.
  
  If the issue persists after checking these areas, it may be beneficial to consult with your SAP support team or refer to SAP documentation for further troubleshooting steps.