How To Fix SMT_WEB_DYNPRO012 - Display Mapping: &1 (&2)

SAP Error Message - Details

• Message type: E = Error

• Message class: SMT_WEB_DYNPRO - Web dynpro messages

• Message number: 012

• Message text: Display Mapping: &1 (&2)

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 SMT_WEB_DYNPRO012 - Display Mapping: &1 (&2) ?

  The SAP error message SMT_WEB_DYNPRO012, which states "Display Mapping: &1 (&2)", typically occurs in the context of SAP Web Dynpro applications. This error is related to issues in the mapping of data between the model and the view in a Web Dynpro application. Here’s a breakdown of the potential causes, solutions, and related information:
  Causes:
  
  Incorrect Mapping Configuration: The error may arise if there is a mismatch in the data mapping between the model and the view. This could be due to incorrect field names, types, or structures.
  Missing Data: If the data expected by the Web Dynpro application is not available or is incomplete, it can lead to this error.
  Model Changes: If there have been recent changes to the underlying data model (like changes in the database or data structure) without corresponding updates in the Web Dynpro application, this error can occur.
  Runtime Issues: There may be runtime issues such as exceptions thrown during the execution of the application that prevent proper data display.
  
  Solutions:
  
  Check Mapping Configuration: Review the mapping configuration in the Web Dynpro application. Ensure that all fields are correctly mapped and that the data types match.
  Validate Data Availability: Ensure that the data being fetched by the application is available and complete. You can check the data source or backend service to confirm this.
  Debugging: Use the debugging tools available in SAP to trace the execution of the Web Dynpro application. This can help identify where the mapping is failing.
  Review Changes: If there have been recent changes to the data model, review those changes to ensure that the Web Dynpro application has been updated accordingly.
  Check for Exceptions: Look for any exceptions or errors in the application logs that might provide more context on what is causing the mapping issue.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to the specific version of SAP you are using. SAP frequently updates its software, and there may be fixes available.
  Web Dynpro Documentation: Review the official SAP documentation for Web Dynpro to understand the best practices for data mapping and handling.
  Community Forums: Engage with SAP community forums or support channels where other users may have encountered similar issues and can provide insights or solutions.
  
  If the problem persists after trying the above solutions, it may be beneficial to reach out to SAP support for further assistance.