How To Fix /SAPAPO/DMMOD054 - The model cannot be deleted because of existing planning versions

/SAPAPO/DMMOD054 - Overview

• Message type: E = Error

• Message class: /SAPAPO/DMMOD -

• Message number: 054

• Message text: The model cannot be deleted because of existing planning versions

Self-Explanatory Message

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/SAPAPO/DMMOD054 - Details

• The SAP error message /SAPAPO/DMMOD054 indicates that a specific model in the SAP Advanced Planning and Optimization (APO) system cannot be deleted because there are existing planning versions associated with that model. This is a common issue when trying to manage models in SAP APO, particularly in the context of Demand Planning (DP) or Supply Network Planning (SNP).
  
  Cause:
  The primary cause of this error is that the model you are trying to delete has one or more planning versions that are still active or in use. Planning versions are used to maintain different scenarios or forecasts within the same model, and SAP prevents the deletion of a model that is still linked to these versions to avoid data integrity issues.
  
  Solution:
  To resolve this error, you need to follow these steps:
  
  
  Identify Existing Planning Versions:
  
  Go to the transaction code /SAPAPO/DP or /SAPAPO/SNP depending on the context.
  Navigate to the planning version management area to see