How To Fix IST_EBS128 - The reference object ID &1 is not defined in the system

SAP Error Message - Details

• Message type: E = Error

• Message class: IST_EBS - Interface Between IS-T and External Billing System

• Message number: 128

• Message text: The reference object ID &1 is not defined in the system

What causes this issue?

The <DS:DE.IST_ADD_REFOBJID>additional reference object ID</> that you
specified is not defined in the system.

System Response

The system cannot identify the type of the
<DS:DE.IST_ADD_REFOBJ>additional reference object</>.

How to fix this error?

Choose an existing identification (from the IST_ADD_REF table) or ask
your system administrator to define a new identification.

Procedure for System Administrators

You can define a new identification for an additional reference object
using the ISTV_TADD_REF view (transaction SM30).

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message IST_EBS128 - The reference object ID &1 is not defined in the system ?

  The SAP error message IST_EBS128, which states "The reference object ID &1 is not defined in the system," typically occurs in the context of Electronic Bank Statement (EBS) processing. This error indicates that the system is unable to find a reference object (such as a bank account, customer, vendor, or other relevant entity) that is expected to be present in the system.
  Cause:
  
  Missing Configuration: The reference object ID (e.g., bank account number) is not configured in the system.
  Incorrect Data Entry: The reference object ID may have been entered incorrectly in the transaction or configuration.
  Data Migration Issues: If data was migrated from another system, the reference object may not have been transferred correctly.
  Inactive or Deleted Objects: The reference object may have been deleted or marked as inactive in the system.
  
  Solution:
  
  Check Configuration: Verify that the reference object ID exists in the relevant configuration settings. For example, if it’s a bank account, ensure that the bank account is properly set up in the system.
  Validate Data Entry: Double-check the input data for any typos or incorrect entries. Ensure that the reference object ID matches the expected format and values.
  Review Migration Logs: If data migration was performed, review the logs to ensure that all necessary objects were migrated successfully.
  Check Object Status: Ensure that the reference object is active and not marked for deletion. You can do this by checking the relevant master data records.
  Consult Documentation: Refer to SAP documentation or help resources for specific details related to the reference object in question.
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like OBPM1 (for bank accounts) or BP (for business partners) to check the configuration of the reference object.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Support: If the issue persists, consider reaching out to SAP support or your internal SAP support team for further assistance.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.