How To Fix LQ393 - Not possible to construct a proposal

SAP Error Message - Details

• Message type: E = Error

• Message class: LQ - Proposal Pool Management

• Message number: 393

• Message text: Not possible to construct a proposal

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 LQ393 - Not possible to construct a proposal ?

  The SAP error message LQ393: Not possible to construct a proposal typically occurs in the context of the SAP Logistics Execution (LE) module, particularly when dealing with warehouse management and inventory management processes. This error indicates that the system is unable to generate a proposal for a task, such as a transfer order or a stock movement.
  Causes of Error LQ393
  
  Missing Master Data: The required master data (like material master, storage location, or warehouse) may be incomplete or missing.
  Configuration Issues: There may be configuration issues in the warehouse management settings, such as incorrect settings for storage types or storage bins.
  Stock Availability: The system may not find sufficient stock available for the proposed movement or task.
  Incompatible Movement Types: The movement type being used may not be compatible with the current warehouse management settings.
  User Authorizations: The user may lack the necessary authorizations to perform the action that is being attempted.
  System Errors: There could be temporary system issues or bugs that are causing the error.
  
  Solutions to Error LQ393
  
  
  Check Master Data:
  
  Ensure that all relevant master data (material, storage location, etc.) is correctly maintained and complete.
  Verify that the material is available in the specified storage location.
  
  
  
  Review Configuration:
  
  Check the configuration settings for warehouse management to ensure they are set up correctly.
  Validate the settings for storage types and bins to ensure they are compatible with the operations being performed.
  
  
  
  Stock Availability:
  
  Confirm that there is enough stock available for the operation you are trying to perform.
  Use transaction codes like MMBE to check stock levels.
  
  
  
  Movement Type Compatibility:
  
  Ensure that the movement type you are using is appropriate for the task you are trying to execute.
  Review the movement type settings in the configuration.
  
  
  
  User Authorizations:
  
  Check if the user has the necessary authorizations to perform the action. If not, contact your SAP security team to grant the required permissions.
  
  
  
  System Logs and Notes:
  
  Check the system logs for any additional error messages or warnings that may provide more context.
  Look for SAP Notes related to this error message in the SAP Support Portal, as there may be known issues or patches available.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or help files related to warehouse management and the specific transaction you are using.
  
  
  
  Contact SAP Support:
  
  If the issue persists after checking the above points, consider reaching out to SAP support for further assistance.
  
  
  
  Related Information
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as LT01 (Create Transfer Order), LT10 (Create Transfer Order from Stock), and LX01 (Create Transfer Order for Stock).
  SAP Notes: Regularly check for SAP Notes that may address specific issues related to warehouse management and error messages.
  Training and Documentation: Ensure that users are trained on the proper procedures for warehouse management to minimize errors.
  
  By following these steps, you should be able to diagnose and resolve the LQ393 error in SAP.