How To Fix LQ101 - Sequential processing switched on

SAP Error Message - Details

• Message type: E = Error

• Message class: LQ - Proposal Pool Management

• Message number: 101

• Message text: Sequential processing switched on

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message LQ101 - Sequential processing switched on ?

  The SAP error message LQ101: Sequential processing switched on typically occurs in the context of handling stock transfers or inventory management processes in SAP. This message indicates that the system is set to process certain operations sequentially, which can lead to delays or issues if multiple processes are trying to access the same resources simultaneously.
  Cause:
  
  Sequential Processing Setting: The error is triggered when the system is configured to handle certain transactions in a sequential manner. This is often done to ensure data integrity and consistency, especially in environments where multiple users or processes might be trying to access or modify the same data.
  Locking Mechanisms: The system may be enforcing locks on certain resources to prevent concurrent access, which can lead to this error if another process is already using the resource.
  Configuration Issues: Sometimes, the configuration settings in the SAP system may not be optimized for the current workload or business processes, leading to unnecessary sequential processing.
  
  Solution:
  
  Check Configuration: Review the configuration settings related to inventory management and stock transfers. Ensure that the settings for sequential processing are appropriate for your business needs.
  Optimize Processes: If possible, optimize the processes to reduce the need for sequential processing. This may involve changing how transactions are batched or processed.
  Monitor Locks: Use transaction codes like SM12 (to check for locks) and SM21 (to check system logs) to identify if there are any locks that are causing the issue. If a lock is held by a user or process that is no longer active, it may need to be released.
  Batch Processing: If applicable, consider using batch processing for certain transactions to minimize the need for sequential processing.
  Consult Documentation: Refer to SAP documentation or support notes related to the specific module you are working with for additional guidance on handling this error.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as:
  
  SM12: To view and manage locks.
  SM21: To view system logs for troubleshooting.
  SE38: To run reports that may help in identifying issues.
  
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions for common problems.
  User Training: Ensure that users are trained on the proper procedures for handling stock transfers and inventory management to minimize the occurrence of this error.
  
  If the problem persists after trying the above solutions, it may be beneficial to consult with your SAP Basis or technical team for further investigation and resolution.