How To Fix J3305 - Company code &, transaction &: Data record transferred twice

SAP Error Message - Details

• Message type: E = Error

• Message class: J3 - Dialog Messages for Data Pool Entry Transactions

• Message number: 305

• Message text: Company code &, transaction &: Data record transferred twice

What causes this issue?

During the external data transfer, a data record (condition or flow)
was doubly transferred. This is not permissible.

System Response

The transaction has been marked as containing errors and can not be
processed.

How to fix this error?

Make the necessary adjustments in the output data and try the transfer
again.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message J3305 - Company code &, transaction &: Data record transferred twice ?

  The SAP error message J3305 indicates that a data record has been transferred twice for a specific company code and transaction. This typically occurs in the context of financial postings or data uploads where the system detects duplicate entries.
  Cause:
  
  Duplicate Data Entry: The most common cause is that the same data record has been submitted more than once, either due to user error or a malfunction in the data upload process.
  Batch Input Issues: If you are using batch input sessions to upload data, it is possible that the session was processed more than once.
  Integration Issues: If data is being transferred from another system (e.g., through an interface), there may be issues with the integration logic that cause records to be sent multiple times.
  Error in Custom Code: If there is custom code involved in the data processing, it may inadvertently create duplicate entries.
  
  Solution:
  
  Check for Duplicates: Review the data records being processed to identify any duplicates. This can often be done by querying the database or checking the upload files.
  Review Batch Input Sessions: If using batch input, check the status of the sessions to ensure they have not been processed multiple times.
  Adjust Integration Logic: If the data is coming from an external system, ensure that the logic for sending data is robust and includes checks to prevent duplicates.
  Error Handling in Custom Code: If custom code is involved, review it for any logic that might lead to duplicate processing and implement checks to prevent this.
  Consult SAP Notes: Check the SAP Support Portal for any relevant notes or patches that may address this issue.
  
  Related Information:
  
  Transaction Codes: You may want to look at transaction codes related to the specific process you are working with (e.g., FB01 for financial postings).
  SAP Documentation: Review SAP documentation for the specific module you are working with (e.g., FI for Financial Accounting) for best practices on data entry and handling.
  SAP Community: Engage with the SAP Community forums to see if others have encountered similar issues and what solutions they have found.
  Testing: After resolving the issue, conduct thorough testing to ensure that the problem does not recur.
  
  By following these steps, you should be able to identify the cause of the J3305 error and implement a solution to prevent it from happening in the future.