How To Fix FDT_EXPRESSIONS802 - Error trying to retrieve data for function module &1

SAP Error Message - Details

• Message type: E = Error

• Message class: FDT_EXPRESSIONS - Formula & Derivation Tool: Expressions

• Message number: 802

• Message text: Error trying to retrieve data for function module &1

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 FDT_EXPRESSIONS802 - Error trying to retrieve data for function module &1 ?

  The SAP error message FDT_EXPRESSIONS802 indicates that there was an issue retrieving data for a specific function module. This error typically occurs in the context of using the Function Module (FM) in the SAP system, particularly when working with the Flexible Data Transfer (FDT) framework or similar functionalities.
  Cause:
  The error can be caused by several factors, including:
  
  Function Module Not Found: The specified function module (&1) may not exist in the system or may have been deleted or renamed.
  Authorization Issues: The user may not have the necessary authorizations to access the function module.
  Transport Issues: If the function module was recently transported from another system, there may be inconsistencies or missing dependencies.
  System Configuration: There may be configuration issues in the system that prevent the function module from being accessed correctly.
  Data Issues: There may be issues with the data being passed to the function module, such as incorrect parameters or data types.
  
  Solution:
  To resolve the error, you can take the following steps:
  
  
  Check Function Module Existence:
  
  Verify that the function module specified in the error message exists in the system. You can do this by using transaction code SE37 (Function Builder) and entering the name of the function module.
  
  
  
  Check Authorizations:
  
  Ensure that the user has the necessary authorizations to execute the function module. You can check this in transaction SU53 (Authorization Check) after the error occurs.
  
  
  
  Review Transport Logs:
  
  If the function module was recently transported, check the transport logs for any errors or warnings that may indicate issues with the transport.
  
  
  
  Debugging:
  
  If you have access to debugging tools, you can set a breakpoint in the function module to see if it is being called correctly and to inspect the parameters being passed.
  
  
  
  Check Configuration:
  
  Review any relevant configuration settings that may affect the function module's execution. This may include settings in the FDT framework or related modules.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or notes related to the specific function module for any known issues or additional troubleshooting steps.
  
  
  
  Contact SAP Support:
  
  If the issue persists and you cannot identify the cause, consider reaching out to SAP support for further assistance.
  
  
  
  Related Information:
  
  Transaction Codes: SE37 (Function Builder), SU53 (Authorization Check), SE80 (Object Navigator).
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error or provide additional troubleshooting steps.
  Community Forums: Check SAP Community forums or other online resources for similar issues and solutions shared by other users.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.