How To Fix /SDF/DB6123 - Number of lock waits per hour

/SDF/DB6123 - Overview

• Message type: E = Error

• Message class: /SDF/DB6 -

• Message number: 123

• Message text: Number of lock waits per hour

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 /SDF/DB6123 - Number of lock waits per hour ?

  The SAP error message /SDF/DB6123 indicates that the number of lock waits per hour has exceeded a predefined threshold. This typically points to issues related to database locking, which can occur when multiple transactions are trying to access the same data simultaneously, leading to contention and delays.
  
  Cause:
  
  High Concurrency: Multiple users or processes are trying to access the same data at the same time, leading to lock contention.
  Long-Running Transactions: Transactions that take a long time to complete can hold locks for extended periods, causing other transactions to wait.
  Inefficient Queries: Poorly optimized queries can lead to longer execution times and increased lock duration.
  Database Configuration: The database may not be configured optimally for the workload, leading to increased lock waits.
  Application Design: The way the application is designed may lead to excessive locking, such as not releasing locks promptly.
  
  
  Solution:
  
  Analyze Lock Waits: Use transaction codes like SM12 (to view lock entries) and SM21 (to check