How To Fix MN491 - No data record found for purchasing document item (internal error)

SAP Error Message - Details

• Message type: E = Error

• Message class: MN - Message class for subsequent settlement (Purchasing)

• Message number: 491

• Message text: No data record found for purchasing document item (internal error)

What causes this issue?

A business volume update should have been performed for purchasing
document &V1& at the time of &V2& (&V3&) for the purposes of
<DS:GLOS.3526C095AFAB52B9E10000009B38F974>subsequent settlement</>.
To carry out the update, the update program needs certain data records
for the items in the purchasing document. However, the internal table
does not contain any data records.

System Response

INCLUDE ISR_VERARBEITUNG

How to fix this error?

Check the business volumes for the above purchasing document (see
document conditions). This situation is probably due to an internal
program error.
INCLUDE ISR_VERWALTUNG
&HINTS&
The error occurred in function module &V4&.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MN491 - No data record found for purchasing document item (internal error) ?

  The SAP error message MN491 ("No data record found for purchasing document item (internal error)") typically occurs when there is an issue with the purchasing document in the system. This error can arise in various scenarios, such as when trying to display or process a purchasing document, and it indicates that the system cannot find the expected data for the specified purchasing document item.
  Causes:
  
  Data Deletion: The purchasing document or its items may have been deleted or archived, leading to the absence of data.
  Incorrect Document Number: The document number or item number entered may be incorrect or does not exist in the system.
  Database Issues: There may be inconsistencies or corruption in the database that prevent the system from retrieving the data.
  Authorization Issues: The user may not have the necessary authorizations to view the purchasing document.
  System Configuration: There may be configuration issues in the purchasing module that affect data retrieval.
  
  Solutions:
  
  Verify Document Number: Double-check the purchasing document number and item number for accuracy. Ensure that you are using the correct format and that the document exists.
  Check Document Status: Ensure that the purchasing document is not deleted or archived. You can check the document status in the relevant transaction (e.g., ME23N for display).
  Database Consistency Check: If you suspect database issues, you may need to run consistency checks or consult with your SAP Basis team to investigate any potential database corruption.
  Authorization Check: Ensure that the user has the necessary authorizations to access the purchasing document. You can check this in transaction SU53 or by consulting with your security team.
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error. There may be patches or updates available that resolve known issues.
  Contact SAP Support: If the issue persists after trying the above solutions, consider reaching out to SAP Support for further assistance. Provide them with detailed information about the error, including transaction codes, document numbers, and any relevant logs.
  
  Related Information:
  
  Transaction Codes: Common transaction codes related to purchasing documents include ME21N (Create Purchase Order), ME22N (Change Purchase Order), and ME23N (Display Purchase Order).
  SAP Notes: Regularly check for SAP Notes related to purchasing documents and error messages. These notes often contain fixes or workarounds for known issues.
  User Forums: Consider visiting SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to diagnose and resolve the MN491 error in SAP.