How To Fix FDT_WD_INFRA051 - Object ID &1, timestamp &2 is already in stack

SAP Error Message - Details

• Message type: E = Error

• Message class: FDT_WD_INFRA - FDT: Message Class for WD Infrastructure

• Message number: 051

• Message text: Object ID &1, timestamp &2 is already in stack

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message FDT_WD_INFRA051 - Object ID &1, timestamp &2 is already in stack ?

  The SAP error message FDT_WD_INFRA051 indicates that there is an issue with the Web Dynpro framework, specifically related to the object ID and timestamp being already present in the stack. This typically occurs when there is an attempt to process a Web Dynpro component or application that has already been loaded or is in the process of being loaded.
  Cause:
  
  Duplicate Processing: The error usually arises when the same Web Dynpro component is being called multiple times in a way that conflicts with the existing instance in the stack.
  Session Management Issues: Problems with session management or state handling can lead to this error, especially if the application is trying to reinitialize or reload a component that is already active.
  Concurrency Issues: If multiple requests are made to load the same component simultaneously, it can lead to this error.
  
  Solution:
  
  Check for Duplicate Calls: Review the code or configuration to ensure that the Web Dynpro component is not being called multiple times unnecessarily. This can often be resolved by ensuring that the navigation logic is correctly implemented.
  Session Handling: Ensure that session management is properly handled. If the application is designed to maintain state, make sure that the state is correctly managed and that components are not being reloaded when they are already active.
  Debugging: Use debugging tools to trace the execution flow and identify where the duplicate call is being made. This can help pinpoint the exact location in the code that is causing the issue.
  Clear Cache: Sometimes, clearing the cache or restarting the application server can resolve transient issues related to object states.
  Review Application Logic: If the application logic is complex, consider refactoring it to simplify the flow and reduce the chances of duplicate processing.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error. SAP frequently updates its knowledge base with solutions for common problems.
  Web Dynpro Documentation: Review the official SAP documentation for Web Dynpro to understand best practices for component management and session handling.
  Community Forums: Engage with SAP community forums or support channels where similar issues may have been discussed, and solutions shared by other users.
  
  If the problem persists after trying the above solutions, it may be beneficial to reach out to SAP support for further assistance, providing them with detailed logs and context around the error occurrence.