How To Fix AXT_MODEL_REGISTRY035 - Stacked extensibility requires a /*/ namespace

SAP Error Message - Details

• Message type: E = Error

• Message class: AXT_MODEL_REGISTRY - Messages from extensibility registry

• Message number: 035

• Message text: Stacked extensibility requires a /*/ namespace

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message AXT_MODEL_REGISTRY035 - Stacked extensibility requires a /*/ namespace ?

  The SAP error message AXT_MODEL_REGISTRY035 indicates that there is an issue with the namespace configuration in your SAP system, specifically related to the use of stacked extensibility. This error typically arises when the system expects a specific namespace format but does not find it.
  Cause:
  The error occurs when you are trying to use stacked extensibility in your SAP application, but the required namespace format is not being adhered to. Stacked extensibility allows for multiple layers of extensions to be applied to a model, but it requires that the namespaces are properly defined. The error message suggests that the namespace should follow the format /*/, which indicates that the system is looking for a wildcard or a specific structure in the namespace definition.
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Namespace Configuration: Review the namespaces defined in your application or model. Ensure that they conform to the expected format. You may need to adjust the namespace to include the required /*/ structure.
  
  
  Update Model Definitions: If you are working with custom models or extensions, ensure that the model definitions are correctly set up to support stacked extensibility. This may involve modifying the model's metadata or configuration files.
  
  
  Consult Documentation: Refer to the SAP documentation related to your specific version and the extensibility framework you are using. This can provide insights into the correct namespace usage and any additional requirements.
  
  
  Test Changes: After making adjustments to the namespace or model definitions, test the changes in a development or test environment to ensure that the error is resolved.
  
  
  Seek Support: If the issue persists, consider reaching out to SAP support or consulting with a technical expert who has experience with the specific SAP modules you are working with.
  
  
  Related Information:
  
  SAP Extensibility Framework: Understanding how the extensibility framework works in SAP can help you better manage namespaces and model definitions.
  Namespace Best Practices: Familiarize yourself with best practices for defining and using namespaces in SAP applications to avoid similar issues in the future.
  SAP Community: Engaging with the SAP Community forums can provide additional insights and solutions from other users who may have encountered the same error.
  
  By following these steps, you should be able to address the AXT_MODEL_REGISTRY035 error and ensure that your SAP application is configured correctly for stacked extensibility.