How To Fix FDT_EXPRESSIONS823 - Parameter &1 defined in the mapping cannot be found in function module

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 823

• Message text: Parameter &1 defined in the mapping cannot be found in function module

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message FDT_EXPRESSIONS823 - Parameter &1 defined in the mapping cannot be found in function module ?

  The SAP error message FDT_EXPRESSIONS823 indicates that a parameter defined in a mapping cannot be found in the associated function module. This typically occurs in the context of SAP Data Services or SAP Process Integration (PI) when working with mappings and transformations.
  Cause:
  
  Missing Parameter Definition: The parameter specified in the mapping is not defined in the function module. This could happen if the function module was modified or if the mapping was created with an incorrect reference.
  Typographical Error: There may be a typo in the parameter name in the mapping.
  Function Module Changes: If the function module has been changed (e.g., parameters added or removed), the mapping may no longer be valid.
  Transport Issues: If the function module was transported from one system to another, it may not have been transported correctly, leading to missing parameters.
  
  Solution:
  
  
  Check Parameter Definition: Verify that the parameter defined in the mapping exists in the function module. You can do this by:
  
  Navigating to the function module in transaction SE37 or SE80.
  Checking the "Import" and "Export" parameters to ensure that the parameter is correctly defined.
  
  
  
  Correct Typographical Errors: If there is a typo in the parameter name in the mapping, correct it to match the exact name defined in the function module.
  
  
  Update Mapping: If the function module has been modified, you may need to update the mapping to reflect the current parameters of the function module.
  
  
  Recreate Mapping: If the mapping is significantly out of sync with the function module, consider recreating the mapping to ensure it aligns with the current function module definition.
  
  
  Check Transport Logs: If the function module was recently transported, check the transport logs to ensure that all necessary objects were transported correctly.
  
  
  Consult Documentation: Review any documentation related to the function module and mapping to ensure that you are using the correct parameters.
  
  
  Related Information:
  
  Transaction Codes: Use SE37 to view and edit function modules, and SE80 for object navigation.
  SAP Notes: Check for any relevant SAP Notes that may address known issues with specific function modules or mappings.
  Debugging: If necessary, you can debug the mapping to see where the error occurs and gather more context about the parameters being passed.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.