How To Fix ISJP123 - Invoice Summary data already exist for customer &1 and company code &2

SAP Error Message - Details

• Message type: E = Error

• Message class: ISJP - Message class for invoice summary

• Message number: 123

• Message text: Invoice Summary data already exist for customer &1 and company code &2

What causes this issue?

You are trying to create new Invoice Summary master data.

System Response

You cannot overwrite the existing data. No data can be entered. Existing
data are not shown.

How to fix this error?

Switch to change or display transactions if you want to access to
existing Invoice Summary master data

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message ISJP123 - Invoice Summary data already exist for customer &1 and company code &2 ?

  The SAP error message ISJP123 indicates that there is already existing invoice summary data for a specific customer and company code combination. This typically occurs when you attempt to create or post an invoice summary that overlaps with existing data in the system.
  Cause:
  
  Duplicate Entry: The most common cause is that an invoice summary for the same customer and company code has already been created or posted.
  Data Migration Issues: If data was migrated from another system, it’s possible that duplicate records were created during the migration process.
  Incorrect Posting: There may have been an incorrect posting or transaction that led to the creation of an invoice summary that you are trying to create again.
  
  Solution:
  
  
  Check Existing Data: 
  
  Use transaction codes like FBL1N (Vendor Line Item Display) or FB03 (Display Document) to check if there is already an invoice summary for the specified customer and company code.
  Look for any existing entries that match the criteria of your current transaction.
  
  
  
  Correct Duplicate Entries: 
  
  If you find duplicate entries, you may need to delete or reverse the incorrect entry, depending on your business process and data integrity requirements.
  Ensure that you have the necessary authorizations to make changes to existing data.
  
  
  
  Review Posting Logic: 
  
  If the error occurs during a batch process or automated posting, review the logic to ensure that it does not attempt to create duplicate entries.
  Implement checks in your process to prevent duplicates from being created in the future.
  
  
  
  Consult Documentation: 
  
  Review SAP documentation or consult with your SAP support team for specific guidelines on handling invoice summaries and related transactions.
  
  
  
  Contact SAP Support: 
  
  If you are unable to resolve the issue, consider reaching out to SAP support for assistance. They may provide insights specific to your version of SAP or any known issues.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as FB60 (Enter Incoming Invoice), FB70 (Enter Outgoing Invoice), and FBL1N for checking existing entries.
  User Authorizations: Ensure that you have the necessary authorizations to view and modify invoice summary data.
  Data Integrity: Regularly audit your data to prevent issues related to duplicates and ensure data integrity within your SAP system.
  
  By following these steps, you should be able to identify the cause of the ISJP123 error and take appropriate action to resolve it.