How To Fix R-335 - Header record of an extended generic transaction must be unique

SAP Error Message - Details

• Message type: E = Error

• Message class: R- -

• Message number: 335

• Message text: Header record of an extended generic transaction must be unique

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message R-335 - Header record of an extended generic transaction must be unique ?

  The SAP error message R-335, which states "Header record of an extended generic transaction must be unique," typically occurs in the context of extended generic transactions in SAP, particularly when dealing with data that is being processed in a way that requires unique identifiers for header records.
  Cause:
  The error is usually caused by one of the following issues:
  
  
  Duplicate Header Records: The system has detected that there are multiple header records with the same key or identifier in the transaction data being processed. This can happen if the same transaction is being processed multiple times or if there is an issue with the data being uploaded or imported.
  
  
  Incorrect Data Entry: If the data being entered or uploaded into the system contains duplicates or is not structured correctly, it can lead to this error.
  
  
  Configuration Issues: There may be issues with the configuration of the extended generic transaction itself, leading to conflicts in how the system expects to handle header records.
  
  
  Solution:
  To resolve the R-335 error, you can take the following steps:
  
  
  Check for Duplicates: Review the data being processed to ensure that there are no duplicate header records. This may involve checking the source data or the transaction logs to identify any duplicates.
  
  
  Data Validation: Ensure that the data being entered or uploaded adheres to the expected format and structure. Validate the data for any inconsistencies or errors.
  
  
  Transaction Configuration: Review the configuration settings for the extended generic transaction in SAP. Ensure that the settings are correct and that they align with the expected data structure.
  
  
  Use Unique Identifiers: If applicable, modify the data to ensure that each header record has a unique identifier. This may involve adjusting the data source or the way transactions are generated.
  
  
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance on handling extended generic transactions and the requirements for header records.
  
  
  Debugging: If the issue persists, consider using debugging tools within SAP to trace the transaction processing and identify where the duplication is occurring.
  
  
  Contact SAP Support: If you are unable to resolve the issue, consider reaching out to SAP support for assistance, especially if this is a recurring problem or if it affects critical business processes.
  
  
  Related Information:
  
  Extended Generic Transactions: These are transactions that allow for more complex data handling and processing in SAP. Understanding how these transactions work can help in troubleshooting issues related to them.
  SAP Notes and Knowledge Base: Check SAP Notes for any known issues or patches related to this error message. The SAP Support Portal can be a valuable resource.
  Transaction Codes: Familiarize yourself with relevant transaction codes that may help in monitoring or managing the data being processed (e.g., SE11 for data dictionary, SE37 for function modules).
  
  By following these steps, you should be able to identify and resolve the cause of the R-335 error in SAP.