How To Fix /SAPAPO/OM_ERROR2172 - Row keys for nodes used up

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/OM_ERROR2 -

• Message number: 172

• Message text: Row keys for nodes used up

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/OM_ERROR2172 - Row keys for nodes used up ?

  The SAP error message /SAPAPO/OM_ERROR2172 with the description "Row keys for nodes used up" typically occurs in the context of SAP Advanced Planning and Optimization (APO) when the system has exhausted the available row keys for nodes in the planning area. This can happen when there are too many nodes or when the configuration of the planning area is not optimized.
  Cause:
  
  Exhaustion of Row Keys: Each node in the planning area requires a unique row key. If the number of nodes exceeds the maximum limit of row keys available, this error will occur.
  Configuration Issues: Incorrect or inefficient configuration of the planning area can lead to an excessive number of nodes being created.
  Data Volume: A large volume of data or a high number of characteristics in the planning area can contribute to the exhaustion of row keys.
  
  Solution:
  
  
  Review Planning Area Configuration:
  
  Check the configuration of the planning area to ensure that it is optimized. Look for unnecessary nodes or characteristics that can be removed or consolidated.
  Simplify the planning area by reducing the number of nodes if possible.
  
  
  
  Increase Row Key Limits:
  
  If feasible, consider increasing the limits for row keys in the system settings. This may require adjustments in the system configuration or consultation with SAP support.
  
  
  
  Data Cleanup:
  
  Perform data cleanup to remove any obsolete or unnecessary data that may be consuming row keys.
  Archive old data if applicable to free up resources.
  
  
  
  Consult SAP Notes:
  
  Check for any relevant SAP Notes or updates that may address this specific error. SAP frequently releases patches and updates that can resolve known issues.
  
  
  
  Contact SAP Support:
  
  If the issue persists after trying the above solutions, it may be necessary to contact SAP support for further assistance. They can provide insights specific to your system configuration and usage.
  
  
  
  Related Information:
  
  SAP APO Documentation: Review the official SAP documentation for APO to understand the limitations and best practices for configuring planning areas.
  Performance Monitoring: Regularly monitor the performance and usage of your planning areas to identify potential issues before they lead to errors.
  System Upgrades: Consider upgrading to a newer version of SAP APO or SAP S/4HANA, which may have improved capabilities and limits regarding planning areas and row keys.
  
  By addressing the configuration and data management practices, you can mitigate the risk of encountering this error in the future.