How To Fix ISLM_API323 - Duplicate output field name. Please try again with unique names.

SAP Error Message - Details

• Message type: E = Error

• Message class: ISLM_API - API Messages

• Message number: 323

• Message text: Duplicate output field name. Please try again with unique names.

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message ISLM_API323 - Duplicate output field name. Please try again with unique names. ?

  The SAP error message ISLM_API323: Duplicate output field name. Please try again with unique names typically occurs when you are trying to create or modify a data structure, report, or output format in SAP, and there are duplicate field names defined in the output structure. This can happen in various contexts, such as when working with ABAP programs, data extraction, or report generation.
  Cause:
  
  Duplicate Field Names: The most common cause of this error is that two or more fields in the output structure have the same name. This can happen if you are pulling data from multiple sources or tables and inadvertently use the same field name for different data elements.
  Incorrect Mapping: If you are mapping fields from different sources and do not ensure that each field has a unique identifier, this error can occur.
  Configuration Issues: Sometimes, configuration settings in the SAP system can lead to this error if they are not set up correctly.
  
  Solution:
  
  Check Field Names: Review the output structure you are trying to create or modify. Ensure that all field names are unique. If you find duplicates, rename the fields to ensure uniqueness.
  Modify Data Extraction Logic: If you are extracting data from multiple sources, ensure that the field names do not conflict. You may need to use aliases or prefixes to differentiate between fields.
  Review Mapping: If you are using a mapping tool or interface, check the mapping configuration to ensure that each field is correctly defined and does not have duplicates.
  Test Changes: After making changes to the field names or mapping, test the output again to ensure that the error is resolved.
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for the specific module you are working with, as it may provide additional insights into handling output structures and field definitions.
  ABAP Development: If you are working in ABAP, consider using transaction SE11 (Data Dictionary) to check the definitions of the fields and ensure they are correctly defined.
  Debugging: If the error persists, consider using debugging tools in SAP to trace where the duplicate field names are being generated.
  
  By following these steps, you should be able to resolve the ISLM_API323 error and successfully create or modify your output structure in SAP.