How To Fix /SCMB/SE_MDM045 - Material &1 at SupplyPlanningArea &2 is already assigned to Active model

SAP Error Message - Details

• Message type: E = Error

• Message class: /SCMB/SE_MDM -

• Message number: 045

• Message text: Material &1 at SupplyPlanningArea &2 is already assigned to Active model

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SCMB/SE_MDM045 - Material &1 at SupplyPlanningArea &2 is already assigned to Active model ?

  The SAP error message /SCMB/SE_MDM045 indicates that a specific material (denoted by &1) is already assigned to an active model in the Supply Planning Area (denoted by &2). This typically occurs in the context of SAP Advanced Planning and Optimization (APO) or Supply Chain Management (SCM) when trying to assign a material to a model that is already linked to another active model.
  Cause:
  
  Duplicate Assignment: The material is already assigned to an active supply planning model, and the system does not allow multiple active assignments for the same material in the same planning area.
  Model Configuration: The configuration of the supply planning area may not allow for the reassignment of materials once they are linked to an active model.
  Data Integrity: The system enforces data integrity rules to prevent conflicts in planning and forecasting.
  
  Solution:
  
  Check Active Models: Review the active models in the specified supply planning area to confirm that the material is indeed assigned. You can do this by navigating to the relevant transaction in SAP APO/SCM.
  Reassign Material: If you need to assign the material to a different model, you may need to first deactivate or remove it from the current active model. This can typically be done through the model management transactions.
  Consult Documentation: Refer to the SAP documentation or help resources for specific steps on how to manage model assignments in your version of SAP.
  Contact Support: If you are unable to resolve the issue, consider reaching out to your SAP support team or consulting with an SAP expert who can provide guidance based on your specific system configuration.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as /SCMB/SE_MDM for model management and /SCMB/SE_MDM_MATERIAL for material assignments.
  SAP Notes: Check for any SAP Notes related to this error message for additional insights or patches that may address the issue.
  User Roles: Ensure that you have the necessary permissions to make changes to model assignments, as restrictions may be in place based on user roles.
  
  By following these steps, you should be able to identify the cause of the error and take appropriate action to resolve it.