How To Fix RY102 - Generic transaction with the external number & already exists

SAP Error Message - Details

• Message type: E = Error

• Message class: RY - Messages for RM Basis

• Message number: 102

• Message text: Generic transaction with the external number & already exists

What causes this issue?

Generic transaction with external number &V1& already exists and so
cannot be created.

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 RY102 - Generic transaction with the external number & already exists ?

  The SAP error message RY102, which states "Generic transaction with the external number & already exists," typically occurs when there is an attempt to create a new transaction or record in the system using an external number that has already been assigned to another transaction or record. This can happen in various modules, such as finance, logistics, or project management, where external numbering is used for transactions.
  Cause:
  
  Duplicate External Number: The primary cause of this error is that the external number you are trying to use for a new transaction is already in use by another transaction in the system.
  Incorrect Configuration: There may be issues with the configuration of the number range settings, leading to overlaps or incorrect assignments.
  Data Migration Issues: If data has been migrated from another system, there may be conflicts with existing external numbers.
  User Error: The user may have mistakenly entered an external number that is already assigned.
  
  Solution:
  
  Check Existing Transactions: Verify if the external number you are trying to use is already assigned to another transaction. You can do this by searching for the number in the relevant transaction or report.
  Use a Different External Number: If the number is already in use, you will need to select a different external number that is not currently assigned.
  Review Number Range Configuration: Check the configuration of the number ranges in the relevant module to ensure that they are set up correctly and do not overlap.
  Data Cleanup: If the error is due to data migration, you may need to clean up the data to resolve conflicts with external numbers.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance related to the module you are working with.
  Contact SAP Support: If the issue persists and you cannot identify the cause, consider reaching out to SAP support for assistance.
  
  Related Information:
  
  Transaction Codes: Depending on the module, you may use different transaction codes to check existing records (e.g., SE16 for table browsing).
  Number Range Objects: Familiarize yourself with the number range objects relevant to your transaction type, as they define how external numbers are generated and managed.
  User Authorization: Ensure that you have the necessary authorizations to create or modify transactions in the system.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  
  By following these steps, you should be able to resolve the RY102 error and successfully create the transaction you need.