How To Fix /ATL/CONTROLS013 - Line no. & already exists

SAP Error Message - Details

• Message type: E = Error

• Message class: /ATL/CONTROLS -

• Message number: 013

• Message text: Line no. & already exists

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /ATL/CONTROLS013 - Line no. & already exists ?

  The SAP error message /ATL/CONTROLS013 Line no. & already exists typically occurs in the context of the SAP Advanced Business Application Programming (ABAP) environment, particularly when dealing with control data or line items in a table or structure. This error indicates that there is an attempt to insert or create a line item with a line number that already exists in the system.
  Cause:
  
  Duplicate Entry: The most common cause of this error is that the line number you are trying to insert already exists in the database or in the internal table.
  Data Integrity Rules: The system enforces data integrity rules that prevent duplicate entries for certain fields, including line numbers.
  Incorrect Logic in Code: If you are developing or customizing an ABAP program, there may be a logic error that leads to attempting to insert a duplicate line number.
  
  Solution:
  
  
  Check for Duplicates: Before inserting a new line item, check if the line number already exists in the target table or internal table. You can do this by querying the table or using a loop to check existing entries.
  Example:
  LOOP AT internal_table INTO data_line.
    IF data_line-line_number = new_line_number.
      " Handle duplicate case
    ENDIF.
  ENDLOOP.
  
  
  Modify Line Number: If the line number is meant to be unique, consider modifying the logic to generate a new line number that does not conflict with existing entries.
  
  
  Error Handling: Implement error handling in your code to gracefully manage situations where a duplicate line number is detected. This could involve notifying the user or logging the error for further investigation.
  
  
  Review Custom Code: If this error arises from custom ABAP code, review the logic to ensure that it correctly handles line numbers and does not attempt to insert duplicates.
  
  
  Consult Documentation: If you are working with standard SAP transactions or programs, consult the relevant SAP documentation or notes for any known issues or updates related to this error.
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any specific notes related to this error message. SAP frequently updates its knowledge base with solutions for common issues.
  Debugging: Use the ABAP debugger to step through the code and identify where the duplicate entry is being attempted.
  Transaction Codes: If this error occurs in a specific transaction, check the transaction's configuration and data to ensure that it is set up correctly.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to prevent it from occurring in the future.