How To Fix JB002 - Account (&1, &2) transferred more than once in data transfer

SAP Error Message - Details

• Message type: E = Error

• Message class: JB - General Message Class for IS-B (Development Class JBD)

• Message number: 002

• Message text: Account (&1, &2) transferred more than once in data transfer

What causes this issue?

An account must only be sent once per transfer. The account with the
external number &V2& in company code &V1&, was sent several times.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message JB002 - Account (&1, &2) transferred more than once in data transfer ?

  The SAP error message JB002, which states "Account (&1, &2) transferred more than once in data transfer," typically occurs during the data transfer process in SAP, particularly in the context of financial postings or data uploads. This error indicates that the same account (identified by the account number and company code) has been included multiple times in the data being processed, which is not allowed.
  Cause:
  
  Duplicate Entries: The most common cause of this error is that the same account has been listed more than once in the data file or during the data entry process.
  Data Upload Issues: If you are using a data upload tool (like LSMW, BAPIs, or BDC), the source data may contain duplicates.
  Incorrect Mapping: If the mapping of fields in the data transfer process is incorrect, it may lead to the same account being processed multiple times.
  
  Solution:
  
  Check Source Data: Review the source data file or the data being uploaded to ensure that there are no duplicate entries for the same account and company code.
  Remove Duplicates: If duplicates are found, remove them from the data set before attempting the transfer again.
  Data Validation: Implement validation checks in your data preparation process to catch duplicates before they reach the SAP system.
  Review Mapping: If using a data transfer tool, ensure that the mapping of fields is correct and that the same account is not being referenced multiple times inadvertently.
  Test in a Development Environment: If possible, test the data transfer in a development or quality assurance environment to identify and resolve issues before moving to production.
  
  Related Information:
  
  Transaction Codes: Depending on the context, you may be using transaction codes like FB50 (for general ledger postings) or other related transactions for data uploads.
  SAP Notes: Check SAP Notes for any specific guidance or patches related to this error message.
  Documentation: Review SAP documentation related to data transfer processes, especially for the specific module you are working with (e.g., FI, CO).
  Support: If the issue persists after checking for duplicates, consider reaching out to SAP support or your internal SAP team for further assistance.
  
  By addressing the root cause of the duplicate entries, you should be able to resolve the JB002 error and successfully complete your data transfer.