How To Fix /IWBEP/SBDSP_UI054 - Mapping not allowed. The model in project &1 is redefining another model

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWBEP/SBDSP_UI -

• Message number: 054

• Message text: Mapping not allowed. The model in project &1 is redefining another model

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /IWBEP/SBDSP_UI054 - Mapping not allowed. The model in project &1 is redefining another model ?

  The SAP error message /IWBEP/SBDSP_UI054 Mapping not allowed. The model in project &1 is redefining another model typically occurs in the context of SAP Gateway and OData services when there is a conflict in the data model definitions. This error indicates that the model you are trying to define in your project is attempting to redefine or extend another model that is already defined elsewhere, which is not allowed.
  Cause:
  
  Model Redefinition: The error arises when you have two models that are trying to define the same entity or structure. This can happen if you have imported or created a model that has the same name or structure as an existing model in another project or package.
  Namespace Conflicts: If the models are in different namespaces but have overlapping definitions, this can also lead to conflicts.
  Incorrect Project Configuration: Sometimes, the project configuration might not be set up correctly, leading to unintended model redefinitions.
  
  Solution:
  
  Check Model Definitions: Review the models defined in your project and any other projects that might be involved. Ensure that there are no overlapping entity types or structures.
  Rename or Remove Conflicting Models: If you find that there are conflicting models, consider renaming or removing the model that is causing the conflict.
  Use Proper Namespaces: Ensure that your models are defined in appropriate namespaces to avoid conflicts with other models.
  Revisit Project Dependencies: Check if your project has dependencies on other projects that might be causing the conflict. If so, you may need to adjust your project structure or dependencies.
  Consult Documentation: Refer to the SAP Gateway documentation for guidelines on model definitions and best practices to avoid such conflicts.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional guidance.
  SAP Community: Engage with the SAP Community forums to see if others have encountered similar issues and what solutions they have found.
  OData Service Documentation: Review the OData service documentation for best practices in defining and managing data models.
  
  By following these steps, you should be able to resolve the error and successfully define your data model without conflicts.