How To Fix /SAPAPO/RRP_ATP159 - Compact scheduling was set to "none"

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/RRP_ATP -

• Message number: 159

• Message text: Compact scheduling was set to "none"

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/RRP_ATP159 - Compact scheduling was set to "none" ?

  The SAP error message /SAPAPO/RRP_ATP159 indicates that compact scheduling has been set to "none" in the Advanced Planning and Optimization (APO) module. This error typically arises when there is an attempt to perform a scheduling operation that requires compact scheduling, but the system is configured not to use it.
  Cause:
  
  Configuration Settings: The compact scheduling option is not enabled in the APO system settings. This can happen if the system was not configured to use compact scheduling during the setup or if it was intentionally set to "none" for specific business reasons.
  Planning Version: The planning version being used may not support compact scheduling.
  Master Data Issues: There may be issues with the master data that prevent the system from using compact scheduling.
  
  Solution:
  
  
  Check Configuration:
  
  Navigate to the APO configuration settings and verify the compact scheduling settings. You can do this in the SAP GUI by going to the relevant configuration transaction (e.g., /SAPAPO/SDP for Supply Network Planning).
  Ensure that compact scheduling is enabled for the relevant planning area.
  
  
  
  Adjust Planning Version:
  
  If you are using a specific planning version, check if it is configured to support compact scheduling. You may need to create or modify a planning version that allows for compact scheduling.
  
  
  
  Review Master Data:
  
  Check the master data (e.g., product master, location master) to ensure that all necessary data is correctly maintained and that there are no inconsistencies that could prevent compact scheduling from being applied.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or notes related to compact scheduling for any additional configuration steps or prerequisites that may be required.
  
  
  
  Contact SAP Support:
  
  If the issue persists after checking the above points, consider reaching out to SAP support for further assistance. They may provide specific notes or patches that address the issue.
  
  
  
  Related Information:
  
  Compact Scheduling: This is a feature in SAP APO that allows for more efficient scheduling of production orders by grouping them together based on certain criteria, which can lead to better resource utilization and reduced lead times.
  APO Configuration: Understanding the overall configuration of the APO system is crucial for troubleshooting issues related to planning and scheduling.
  SAP Notes: Regularly check for SAP Notes that may address known issues or provide updates related to compact scheduling and other APO functionalities.
  
  By following these steps, you should be able to resolve the error message and enable compact scheduling as needed.