How To Fix OE520 - No ext. planning systems have been maintained for trans. planning points

SAP Error Message - Details

• Message type: E = Error

• Message class: OE - IS-Oil: ITA/TPI messages

• Message number: 520

• Message text: No ext. planning systems have been maintained for trans. planning points

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message OE520 - No ext. planning systems have been maintained for trans. planning points ?

  The SAP error message OE520, which states "No ext. planning systems have been maintained for trans. planning points," typically occurs in the context of SAP's Advanced Planning and Optimization (APO) or Integrated Business Planning (IBP) modules. This error indicates that the system is unable to find any external planning systems configured for the specified transaction planning points.
  Cause:
  
  Missing Configuration: The most common cause of this error is that the external planning systems have not been properly configured in the system for the relevant transaction planning points.
  Incorrect Planning Point: The planning point you are trying to use may not be linked to any external planning system.
  Authorization Issues: There may be authorization issues preventing the system from accessing the necessary configuration data.
  Data Transfer Issues: If there are issues with data transfer or integration between systems, it may lead to this error.
  
  Solution:
  
  
  Check Configuration:
  
  Go to the transaction code /SAPAPO/SDP1 (or the relevant transaction for your version) to check the configuration of the planning points.
  Ensure that the external planning systems are correctly assigned to the relevant transaction planning points.
  
  
  
  Maintain External Planning Systems:
  
  Navigate to the configuration settings for external planning systems (usually found in the APO or IBP configuration settings).
  Ensure that the external planning systems are defined and linked to the appropriate planning points.
  
  
  
  Review Planning Point Settings:
  
  Verify that the planning point you are using is correctly set up and that it has the necessary external planning systems assigned to it.
  
  
  
  Check Authorizations:
  
  Ensure that the user has the necessary authorizations to access the planning points and external planning systems.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for specific guidance on configuring external planning systems and planning points.
  
  
  
  Testing:
  
  After making the necessary changes, test the configuration by attempting to execute the transaction again to see if the error persists.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as /SAPAPO/SDP1 for planning point configuration and /SAPAPO/OM17 for external planning system settings.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Integration with Other Systems: If you are using SAP IBP or integrating with other systems, ensure that the integration settings are correctly configured.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP Basis or technical team for further investigation or to reach out to SAP support for assistance.