How To Fix LQ451 - First reduce the number of active worklists

SAP Error Message - Details

• Message type: E = Error

• Message class: LQ - Proposal Pool Management

• Message number: 451

• Message text: First reduce the number of active worklists

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 LQ451 - First reduce the number of active worklists ?

  The SAP error message LQ451 ("First reduce the number of active worklists") typically occurs in the context of SAP's Logistics Execution (LE) module, particularly when dealing with worklists in the context of warehouse management or inventory management. This error indicates that the system has reached a limit on the number of active worklists that can be processed simultaneously.
  Cause:
  
  Exceeding System Limits: SAP has predefined limits on the number of active worklists that can be processed at one time. If the number of active worklists exceeds this limit, the system will throw this error.
  Configuration Settings: The configuration settings in the SAP system may not be optimized for the current workload, leading to an excessive number of active worklists.
  Long-running Processes: If there are long-running processes or transactions that are holding onto worklists, it can lead to this error.
  
  Solution:
  
  
  Reduce Active Worklists:
  
  Close Unused Worklists: Identify and close any worklists that are no longer needed. This can often be done through the relevant transaction codes in SAP.
  Process Pending Worklists: Ensure that all pending worklists are processed or completed. This may involve completing tasks or transactions associated with those worklists.
  
  
  
  Check Configuration:
  
  Review the configuration settings related to worklists in the SAP system. This may involve checking parameters in the Warehouse Management (WM) or Inventory Management (IM) modules.
  Consult with your SAP Basis or technical team to see if there are any system parameters that can be adjusted to allow for more active worklists.
  
  
  
  Monitor System Performance:
  
  Use transaction codes like SM37 (Job Monitoring) to check for long-running jobs that may be holding up worklists.
  Analyze system performance and resource utilization to identify any bottlenecks.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or notes related to worklist management for specific guidance on limits and best practices.
  
  
  
  Contact SAP Support:
  
  If the issue persists after trying the above solutions, consider reaching out to SAP support for further assistance. They may provide patches or updates that can help resolve the issue.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as LT03 (Transfer Order), LT12 (Confirm Transfer Order), and others that may be related to worklist processing.
  SAP Notes: Check for any SAP Notes that may address this specific error or provide additional troubleshooting steps.
  System Limits: Understand the specific limits set in your SAP environment, as these can vary based on system configuration and version.
  
  By following these steps, you should be able to address the LQ451 error and optimize the handling of worklists in your SAP system.