How To Fix LQ406 - Unknown error occurred when calling a module


LQ406 - Overview

  • Message type: E = Error

  • Message class: LQ - Proposal Pool Management

  • Message number: 406

  • Message text: Unknown error occurred when calling a module

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  • 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 LQ406 - Unknown error occurred when calling a module ?
    The SAP error message LQ406, which states "Unknown error occurred when calling a module," typically indicates that there is an issue with the execution of a function module or a program in the SAP system. This error can arise from various underlying causes, and troubleshooting it may require a systematic approach. Here are some potential causes, solutions, and related information:
    Possible Causes:
    
    
    Configuration Issues: Incorrect configuration settings in the system can lead to this error. Authorization Problems: The user may not have the necessary authorizations to execute the function module. Data Issues: Invalid or unexpected data being passed to the function module can cause it to fail. System Bugs: There may be bugs in the SAP system or the specific module being called. Network Issues: Problems with network connectivity can lead to communication failures between different components of the SAP system. Performance Issues: If the system is under heavy load, it may not be able to process

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