How To Fix ISJP429 - Number of open items differs in Monthly Invoice &1 &2 &3.

SAP Error Message - Details

• Message type: E = Error

• Message class: ISJP - Message class for invoice summary

• Message number: 429

• Message text: Number of open items differs in Monthly Invoice &1 &2 &3.

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message ISJP429 - Number of open items differs in Monthly Invoice &1 &2 &3. ?

  The SAP error message ISJP429 indicates that there is a discrepancy in the number of open items between a monthly invoice and the associated documents. This typically occurs in the context of invoicing and accounts receivable processes, particularly when dealing with billing documents and their related open items.
  Cause:
  The error can arise due to several reasons, including:
  
  
  Data Inconsistency: There may be inconsistencies in the data between the monthly invoice and the open items in the system. This can happen if some items were not included in the invoice or if there are additional items that should not be there.
  
  
  Manual Adjustments: If manual adjustments were made to the invoice or the open items after the initial processing, it could lead to mismatches.
  
  
  Posting Errors: Errors during the posting of invoices or payments can lead to discrepancies in the open item management.
  
  
  System Configuration Issues: Incorrect configuration in the billing or accounts receivable modules can also lead to this error.
  
  
  Solution:
  To resolve the ISJP429 error, you can follow these steps:
  
  
  Review the Invoice and Open Items: Check the details of the monthly invoice and compare them with the open items in the system. Look for any discrepancies in amounts, missing items, or additional items.
  
  
  Reconcile Open Items: Ensure that all open items that should be included in the invoice are accounted for. If there are items that should not be included, make the necessary adjustments.
  
  
  Check for Manual Changes: If any manual changes were made to the invoice or open items, verify that these changes are correct and consistent.
  
  
  Use Transaction Codes: Utilize relevant transaction codes (like FBL1N, FBL5N, or FB03) to analyze the open items and invoices in detail.
  
  
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance on handling discrepancies in invoicing.
  
  
  Contact Support: If the issue persists, consider reaching out to your SAP support team or consulting with an SAP expert for further assistance.
  
  
  Related Information:
  
  
  Transaction Codes: Familiarize yourself with transaction codes related to billing and open item management, such as:
  
  FBL1N: Vendor Line Item Display
  FBL5N: Customer Line Item Display
  FB03: Display Document
  
  
  
  SAP Notes: Check for any relevant SAP Notes that may address known issues or provide patches related to this error.
  
  
  Training and Documentation: Ensure that users involved in the invoicing process are trained on proper procedures to minimize errors.
  
  
  By following these steps, you should be able to identify the cause of the ISJP429 error and implement a solution to resolve it.