How To Fix WXCM021 - Total number of planning hierarchy records

SAP Error Message - Details

• Message type: E = Error

• Message class: WXCM - Messages for Package CM_MAP

• Message number: 021

• Message text: Total number of planning hierarchy records

Self-Explanatory Message

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• What is the cause and solution for SAP error message WXCM021 - Total number of planning hierarchy records ?

  SAP Error Message: WXCM021
  
  Text: Total number of planning hierarchy records exceeded
  
  Cause:
  The error message WXCM021 occurs when the total number of planning hierarchy records in a planning model exceeds the system or application limits. This typically happens in SAP Integrated Business Planning (IBP) or SAP APO when the planning hierarchy structure becomes too large or complex, surpassing the maximum allowed number of records.
  The planning hierarchy is a key structure in SAP IBP/APO that defines the levels and nodes used for planning (e.g., product-location combinations, time buckets, etc.). When the number of these records grows beyond the system's capacity, the system throws this error to prevent performance degradation or memory issues.
  
  Solution:
  
  
  Reduce the Number of Planning Hierarchy Records:
  
  Simplify the planning hierarchy by reducing the number of nodes or levels.
  Remove unnecessary or obsolete nodes from the hierarchy.
  Consolidate or aggregate data where possible to reduce granularity.
  
  
  
  Check and Adjust System Settings:
  
  Review system parameters related to memory and data limits.
  In some cases, SAP support or BASIS team can increase certain limits, but this is generally not recommended without careful consideration.
  
  
  
  Optimize Planning Model:
  
  Review the planning model design to ensure it is efficient.
  Use filters or segmentation to limit the scope of planning data loaded at one time.
  
  
  
  Archiving or Data Deletion:
  
  Archive old or irrelevant planning data to reduce the size of the planning hierarchy.
  Delete obsolete planning versions or snapshots.
  
  
  
  SAP Notes and Support:
  
  Check SAP Notes for any patches or updates related to this error.
  Contact SAP Support if the problem persists after optimization.
  
  
  
  
  Related Information:
  
  Module: SAP Integrated Business Planning (IBP), SAP APO Demand Planning or Supply Network Planning.
  Transaction Codes: Planning hierarchy maintenance transactions (e.g., /SAPAPO/MC90 for planning book maintenance).
  SAP Notes: Search for WXCM021 in the SAP Support Portal for any specific notes or patches.
  Performance Considerations: Large planning hierarchies can impact system performance; always aim for a balanced and optimized hierarchy design.
  
  
  Summary:
  
  Cause: Exceeding the maximum allowed number of planning hierarchy records.
  Solution: Simplify and reduce the planning hierarchy size, optimize planning model, archive/delete old data, and consult SAP support if needed.
  
  
  If you provide more context (e.g., which SAP product/version you are using), I can give more tailored advice.