How To Fix MN318 - System error reading purchasing document &

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 318

• Message text: System error reading purchasing document &

What causes this issue?

The system could not read purchasing document no. &V1& (header data)
because the relevant entry does not exist in the database table.

System Response

Updating could not take place.

How to fix this error?

Contact your system administrator.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MN318 - System error reading purchasing document & ?

  The SAP error message MN318, which states "System error reading purchasing document &," typically indicates that there is an issue with accessing or retrieving the purchasing document in the SAP system. This error can arise due to various reasons, including data inconsistencies, database issues, or configuration problems.
  Possible Causes:
  
  Data Inconsistency: The purchasing document may be corrupted or not properly saved in the database.
  Database Issues: There could be issues with the database itself, such as locks, corruption, or connectivity problems.
  Authorization Issues: The user may not have the necessary permissions to access the purchasing document.
  Configuration Problems: There may be issues with the configuration of the purchasing module or related settings.
  System Performance: High load on the system or performance issues may lead to timeouts or failures in retrieving data.
  
  Solutions:
  
  Check Document Status: Verify if the purchasing document exists and is in a valid state. You can do this by using transaction codes like ME23N (Display Purchase Order) to check the document.
  Database Consistency Check: Run database consistency checks to ensure that there are no issues with the database tables related to purchasing documents.
  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.
  System Logs: Check the system logs (transaction SM21) for any related error messages or warnings that could provide more context about the issue.
  Performance Monitoring: Monitor system performance and check for any locks or long-running processes that might be affecting the ability to read the purchasing document.
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that might address this specific error. Sometimes, SAP releases patches or notes that provide fixes for known issues.
  Contact SAP Support: If the issue persists and you cannot find a resolution, consider reaching out to SAP Support for assistance. Provide them with detailed information about the error, including transaction codes, user details, and any relevant logs.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as ME23N (Display Purchase Order), ME22N (Change Purchase Order), and ME21N (Create Purchase Order).
  SAP Community: Engage with the SAP Community forums where other users may have encountered similar issues and can share their solutions.
  Documentation: Review SAP documentation related to purchasing and error handling for additional insights.
  
  By following these steps, you should be able to diagnose and potentially resolve the MN318 error in your SAP system.