How To Fix C$493 - &: Table/field &/& is contained twice in the transfer file

SAP Error Message - Details

• Message type: E = Error

• Message class: C$ -

• Message number: 493

• Message text: &: Table/field &/& is contained twice in the transfer file

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 C$493 - &: Table/field &/& is contained twice in the transfer file ?

  The SAP error message C$493 indicates that there is a duplication of a table or field in the transfer file you are trying to process. This typically occurs during data uploads or transfers, such as when using tools like LSMW (Legacy System Migration Workbench) or BAPIs (Business Application Programming Interfaces).
  Cause:
  
  Duplicate Entries: The most common cause is that the same table or field is included more than once in the transfer file. This can happen if the data extraction process inadvertently pulls the same data multiple times.
  Incorrect Mapping: If the mapping of fields to the target structure is not done correctly, it may lead to the same field being referenced multiple times.
  File Format Issues: If the file format is not correctly structured, it may lead to misinterpretation of the data, causing duplicates.
  
  Solution:
  
  Check the Transfer File: Open the transfer file and look for duplicate entries of the specified table or field. Remove any duplicates to ensure that each table/field is only listed once.
  Review Mapping: If you are using a mapping tool, review the mapping configuration to ensure that each field is mapped correctly and only once.
  Validate Data Extraction: If the data was extracted from another system, validate the extraction process to ensure it does not pull duplicate records.
  Use Data Validation Tools: Utilize data validation tools or scripts to check for duplicates before attempting to upload the data again.
  Test with a Smaller Dataset: If possible, test the upload with a smaller subset of data to isolate the issue and confirm that the error is resolved.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as LSMW, SE11 (Data Dictionary), and SE37 (Function Modules) for debugging.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Documentation: Review SAP documentation on data transfer processes to ensure compliance with best practices.
  Error Logs: Check the error logs for additional context or related errors that may provide more insight into the issue.
  
  By following these steps, you should be able to resolve the C$493 error and successfully process your transfer file.