How To Fix SLS_LO_GAF_EWB153 - Field identifier &1 is already used in appendage of field &2

SAP Error Message - Details

• Message type: E = Error

• Message class: SLS_LO_GAF_EWB - GAF Enh WB Msg for LO based FPM config sales UI

• Message number: 153

• Message text: Field identifier &1 is already used in appendage of field &2

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message SLS_LO_GAF_EWB153 - Field identifier &1 is already used in appendage of field &2 ?

  The SAP error message SLS_LO_GAF_EWB153 indicates that there is a conflict with field identifiers in an append structure. Specifically, it means that the field identifier you are trying to use (denoted as &1) is already in use in the append structure of another field (denoted as &2). This typically occurs during the development or modification of data structures in ABAP, particularly when working with append structures in tables.
  Cause:
  
  Duplicate Field Identifier: The field identifier you are trying to add to an append structure is already defined in that append structure or in another append structure that is associated with the same table.
  Naming Conflicts: There may be naming conflicts due to the use of similar or identical field names in different append structures or tables.
  Inconsistent Data Dictionary: Changes made to the data dictionary (like adding fields) may not have been properly activated or may conflict with existing definitions.
  
  Solution:
  
  
  Check Existing Fields: Review the append structure and the base table to see if the field identifier you are trying to use is already defined. You can do this by navigating to the Data Dictionary (SE11) and checking the structure of the relevant table and its append structures.
  
  
  Rename the Field: If the field identifier is already in use, consider renaming the new field to a unique identifier that does not conflict with existing fields.
  
  
  Modify the Append Structure: If you have control over the append structure, you can modify it to remove or rename the conflicting field identifier.
  
  
  Activate Changes: After making any changes, ensure that you activate the data dictionary objects to reflect the changes in the system.
  
  
  Check for Transport Issues: If this error occurs after a transport, ensure that all related objects have been transported correctly and that there are no inconsistencies between the development and production environments.
  
  
  Related Information:
  
  Transaction Codes: Use transaction codes SE11 (Data Dictionary), SE80 (Object Navigator), and SE37 (Function Module) to investigate and modify data structures.
  Documentation: Refer to SAP documentation for guidelines on naming conventions and best practices for creating append structures.
  SAP Notes: Check SAP Notes for any known issues or additional guidance related to this error message.
  
  If the problem persists after following these steps, consider reaching out to your SAP Basis or ABAP development team for further assistance.