How To Fix CFD_DE_UTILITIES012 - Invalid extension. More than one CDS extensions found.

SAP Error Message - Details

• Message type: E = Error

• Message class: CFD_DE_UTILITIES - Custom Fields: Data Source Extension Utilities

• Message number: 012

• Message text: Invalid extension. More than one CDS extensions found.

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CFD_DE_UTILITIES012 - Invalid extension. More than one CDS extensions found. ?

  The SAP error message CFD_DE_UTILITIES012, which states "Invalid extension. More than one CDS extensions found," typically occurs in the context of Core Data Services (CDS) views in SAP. This error indicates that there are multiple extensions defined for a CDS view, which is not allowed. Here’s a breakdown of the cause, potential solutions, and related information:
  Cause:
  
  Multiple Extensions: The primary cause of this error is that there are multiple CDS extensions defined for the same base CDS view. In SAP, a CDS view can only have one extension to ensure clarity and avoid conflicts in the data model.
  Incorrect Naming or Configuration: Sometimes, the naming conventions or the way extensions are configured can lead to this error if they inadvertently point to the same base view.
  
  Solution:
  
  Identify Extensions: Check the extensions defined for the CDS view in question. You can do this by navigating to the relevant CDS view in the ABAP Development Tools (ADT) or using transaction SE11.
  Remove or Consolidate Extensions: If you find multiple extensions for the same CDS view, you will need to either:
  
  Remove the unnecessary extensions.
  Consolidate the logic into a single extension if applicable.
  
  
  Check for Inactive Objects: Sometimes, inactive objects can cause confusion. Ensure that all extensions are active and that there are no lingering inactive versions that might be causing the conflict.
  Rebuild the CDS View: If the issue persists, consider rebuilding the CDS view and its extensions to ensure that there are no hidden issues in the configuration.
  Transport Requests: If you are working in a transport environment, ensure that the transport requests are correctly managed and that there are no conflicts between different development environments.
  
  Related Information:
  
  CDS Views: Core Data Services (CDS) is a framework for defining semantically rich data models in SAP. Understanding how to create and extend CDS views is crucial for effective data modeling.
  SAP Documentation: Refer to the official SAP documentation for Core Data Services for best practices and guidelines on creating and managing CDS views and their extensions.
  SAP Community: Engaging with the SAP Community can provide insights and solutions from other users who may have encountered similar issues.
  
  By following these steps, you should be able to resolve the CFD_DE_UTILITIES012 error and ensure that your CDS views and extensions are correctly configured.