How To Fix SMT_WEB_DYNPRO016 - Proxy structure &1 not allowed in external mode

SAP Error Message - Details

• Message type: E = Error

• Message class: SMT_WEB_DYNPRO - Web dynpro messages

• Message number: 016

• Message text: Proxy structure &1 not allowed in external mode

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message SMT_WEB_DYNPRO016 - Proxy structure &1 not allowed in external mode ?

  The SAP error message SMT_WEB_DYNPRO016 Proxy structure &1 not allowed in external mode typically occurs in the context of SAP Web Dynpro applications when there is an issue with the data structure being used in an external mode. This error indicates that the proxy structure specified (denoted by &1) is not permitted to be used in the external mode of the Web Dynpro application.
  Cause:
  
  Invalid Proxy Structure: The proxy structure being referenced is not defined correctly or is not allowed to be used in the external mode.
  Configuration Issues: There may be configuration issues in the Web Dynpro application or the associated data model.
  Data Model Restrictions: The data model may have restrictions on which structures can be used in external mode, and the specified structure does not meet those criteria.
  
  Solution:
  
  Check Proxy Structure Definition: Verify that the proxy structure is correctly defined in the SAP system. Ensure that it is compatible with the external mode requirements.
  Review Web Dynpro Configuration: Check the configuration of the Web Dynpro application to ensure that it is set up correctly to use the intended data structures.
  Use Allowed Structures: If the proxy structure is not allowed in external mode, consider using a different structure that is permitted. You may need to consult the documentation or SAP notes for guidance on which structures are allowed.
  Debugging: If you have access to the development environment, you can debug the Web Dynpro application to identify where the error is being triggered and gather more context about the issue.
  SAP Notes and Documentation: Look for relevant SAP Notes or documentation that may provide additional insights or updates regarding this error message.
  
  Related Information:
  
  SAP Web Dynpro Documentation: Review the official SAP documentation for Web Dynpro to understand the requirements and limitations of using proxy structures in external mode.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  SAP Support: If the issue persists and you have a support agreement, consider reaching out to SAP Support for assistance with the specific error message.
  
  By following these steps, you should be able to identify the cause of the error and implement a suitable solution.