How To Fix FDT_CORE244 - The structure of &1 and its C equivalent &2 differ

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 244

• Message text: The structure of &1 and its C equivalent &2 differ

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message FDT_CORE244 - The structure of &1 and its C equivalent &2 differ ?

  The SAP error message FDT_CORE244 indicates that there is a mismatch between the structure of a data object in the SAP system and its corresponding C equivalent. This typically occurs in the context of Field Data Tool (FDT) or when dealing with data structures in ABAP and their representation in C.
  Cause:
  The error arises when the structure defined in the ABAP environment does not match the expected structure in the C environment. This can happen due to several reasons:
  
  Field Mismatches: The fields in the ABAP structure may not correspond correctly to the fields in the C structure, either in terms of data types, lengths, or names.
  Changes in Structure: If the structure has been modified in the ABAP layer (e.g., fields added, removed, or changed), but the corresponding C structure has not been updated accordingly.
  Inconsistent Data Types: Differences in data types between ABAP and C can lead to this error, especially if the data types are not compatible or have different sizes.
  
  Solution:
  To resolve the FDT_CORE244 error, you can follow these steps:
  
  
  Check Structure Definitions:
  
  Compare the ABAP structure definition with the C structure definition. Ensure that all fields match in terms of name, type, and length.
  Use transaction SE11 (Data Dictionary) to view the ABAP structure and check the corresponding C structure if applicable.
  
  
  
  Update Structures:
  
  If there are discrepancies, update the structures to ensure they are consistent. This may involve modifying the ABAP structure or the C structure as needed.
  
  
  
  Regenerate C Code:
  
  If you have made changes to the ABAP structure, you may need to regenerate the C code that corresponds to it. This can often be done through the relevant development tools or transactions in SAP.
  
  
  
  Check for Dependencies:
  
  Ensure that there are no dependencies or references that might be affected by the changes you make. This includes checking for any related programs, function modules, or classes that might rely on the structure.
  
  
  
  Testing:
  
  After making the necessary changes, test the functionality to ensure that the error is resolved and that the application behaves as expected.
  
  
  
  Related Information:
  
  Field Data Tool (FDT): This is a tool used in SAP for managing field-level data and its representation in various contexts, including UI and backend processing.
  ABAP Data Dictionary: The central repository for data definitions in SAP, where you can define and manage data structures, tables, views, and more.
  C Structures: In some cases, SAP systems may interface with C code or libraries, and ensuring compatibility between ABAP and C structures is crucial for proper functionality.
  
  If the issue persists after following these steps, consider reaching out to your SAP support team or consulting SAP documentation for further assistance.