How To Fix 57139 - Source field "&" already exists

SAP Error Message - Details

• Message type: E = Error

• Message class: 57 - Component 709: Interface to external payroll system

• Message number: 139

• Message text: Source field "&" already exists

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 57139 - Source field "&" already exists ?

  The SAP error message 57139, which states "Source field '&' already exists," typically occurs during the process of defining or modifying data sources in SAP, particularly in the context of data extraction or data modeling. This error indicates that there is an attempt to create a source field that already exists in the data structure or data source.
  Cause:
  
  Duplicate Field Definition: The most common cause of this error is that the field you are trying to create or define already exists in the data source or structure. This can happen if you are trying to add a field with the same name as an existing field.
  Incorrect Data Source Configuration: If the data source is incorrectly configured or if there are multiple definitions of the same field in different contexts, this error can arise.
  Transport Issues: Sometimes, if changes are transported from one system to another (e.g., from development to production), there may be conflicts or duplicates that lead to this error.
  
  Solution:
  
  Check Existing Fields: Review the data source or structure to see if the field you are trying to create already exists. If it does, you may need to use the existing field instead of creating a new one.
  Rename the Field: If you need to create a new field, consider renaming it to avoid the conflict with the existing field.
  Modify Existing Field: If the existing field does not meet your requirements, consider modifying it instead of creating a new one.
  Review Data Source Configuration: Ensure that the data source is correctly configured and that there are no duplicate definitions.
  Check Transport Requests: If this issue arose after a transport, check the transport requests for any conflicts or duplicates that may have been introduced.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any specific notes related to this error message. SAP frequently updates its knowledge base with solutions and workarounds for common issues.
  Documentation: Review the documentation for the specific module or functionality you are working with to understand the expected structure and naming conventions.
  Community Forums: Consider searching or posting in SAP community forums or discussion groups, as other users may have encountered and resolved similar issues.
  
  If the problem persists after trying the above solutions, it may be beneficial to consult with your SAP Basis or development team for further investigation.