How To Fix FDT_CORE821 - Message text does not have a second message variable

SAP Error Message - Details

• Message type: E = Error

• Message class: FDT_CORE - Formula & Derivation Tool: Core

• Message number: 821

• Message text: Message text does not have a second message variable

Self-Explanatory Message

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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 FDT_CORE821 - Message text does not have a second message variable ?

  The SAP error message FDT_CORE821 indicates that there is an issue with a message text that is expected to have a second message variable, but it does not. This typically occurs in the context of SAP's Flexible Data Import (FDI) or Flexible Data Transfer (FDT) framework, where messages are generated based on certain conditions or parameters.
  Cause:
  
  Missing Message Variable: The error is primarily caused by a message text that is defined to include a second variable, but the corresponding variable is not provided when the message is generated.
  Configuration Issues: There may be a misconfiguration in the message handling or in the way the messages are defined in the system.
  Custom Development: If there are custom developments or enhancements in the FDT framework, they might not be handling message variables correctly.
  
  Solution:
  
  
  Check Message Definitions: Review the message definitions in the FDT framework to ensure that all required variables are correctly defined and provided. You can do this by:
  
  Navigating to the transaction code SE91 (Message Class) to check the message class and the specific message number.
  Ensuring that the message text is correctly defined with the expected number of variables.
  
  
  
  Review Custom Code: If there is custom code involved, check the logic that generates the message. Ensure that it correctly populates all required variables before triggering the message.
  
  
  Debugging: If the issue persists, consider debugging the process to identify where the message is being generated and why the second variable is missing. This can help pinpoint the exact location in the code or configuration that needs to be addressed.
  
  
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that might address this specific error or provide guidance on similar issues.
  
  
  Consult Documentation: Review the official SAP documentation for FDT and message handling to ensure compliance with best practices.
  
  
  Related Information:
  
  Message Handling in SAP: Understanding how messages are structured and handled in SAP can provide insights into resolving issues related to message variables.
  FDT Framework: Familiarize yourself with the Flexible Data Transfer framework, as it may have specific requirements or configurations that need to be adhered to.
  SAP Community: Engaging with the SAP Community or forums can provide additional insights and solutions from other users who may have encountered similar issues.
  
  If the problem continues after following these steps, it may be beneficial to reach out to SAP support for further assistance.