How To Fix QEHH020 - System error in lock management

QEHH020 - Overview

• Message type: E = Error

• Message class: QEHH - QM Handheld

• Message number: 020

• Message text: System error in lock management

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 QEHH020 - System error in lock management ?

  The SAP error message QEHH020 indicates a system error in lock management. This error typically occurs when there is an issue with the locking mechanism in the SAP system, which is responsible for ensuring data consistency during concurrent access by multiple users or processes.
  Causes of QEHH020
  
  Database Lock Issues: The error may arise due to problems with database locks, such as deadlocks or lock timeouts.
  System Resource Limitations: Insufficient system resources (like memory or CPU) can lead to issues in managing locks.
  
  Configuration Issues: Incorrect configuration settings in the SAP system or database can lead to lock management errors.
  Transport Issues: If there are issues with transport requests or changes being moved between systems, it can cause inconsistencies in lock management.
  Software Bugs: There may be bugs in the SAP software or specific patches that need to be applied.
  
  Solutions to QEHH020
  
  Check Lock Entries: Use transaction code SM12 to check for existing lock entries. You can