How To Fix 1F320 - Parallel message processing - error in test for due date/lock &1

SAP Error Message - Details

• Message type: E = Error

• Message class: 1F - BKK: Beziehungen

• Message number: 320

• Message text: Parallel message processing - error in test for due date/lock &1

What causes this issue?

Message parallel processing - error during test for due date/blocks
hierarchy &v1&
processing of hierarchy open

System Response

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

How to fix this error?

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message 1F320 - Parallel message processing - error in test for due date/lock &1 ?

  The SAP error message 1F320 indicates an issue related to parallel message processing, specifically concerning the test for due dates or locks. This error typically arises in scenarios where multiple processes are trying to access or modify the same data simultaneously, leading to conflicts.
  Cause:
  
  Concurrency Issues: The error often occurs when multiple users or processes attempt to process the same data at the same time, leading to a lock situation.
  Lock Entries: There may be existing lock entries in the database that prevent the current process from accessing the required data.
  Configuration Issues: Incorrect configuration in the system related to parallel processing or locking mechanisms can also lead to this error.
  
  Solution:
  
  Check Lock Entries: Use transaction code SM12 to check for any existing lock entries. If you find locks that are no longer needed, you can delete them (ensure that you have the necessary authorizations and that it is safe to do so).
  Review Parallel Processing Settings: Check the configuration settings for parallel processing in your SAP system. Ensure that they are set up correctly to handle the expected load.
  Increase Timeout Settings: If the error is due to timeouts, consider increasing the timeout settings for the processes involved.
  Batch Job Management: If this error occurs during batch processing, review the batch job settings and ensure that jobs are not overlapping in a way that causes conflicts.
  Error Logs: Check the application logs (transaction SLG1) for more detailed information about the error and any related issues that may provide further insights.
  System Performance: Monitor system performance to ensure that it is not overloaded, which can exacerbate locking issues.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SM12 (for lock entries), SM37 (for monitoring batch jobs), and SLG1 (for application logs).
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error or provide patches and updates.
  Documentation: Review SAP documentation related to parallel processing and locking mechanisms to understand how they work and how to configure them properly.
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with your SAP Basis team or reach out to SAP support for further assistance.