How To Fix WVLBCHECK006 - Error calling user exit &1 in function module &2

SAP Error Message - Details

• Message type: E = Error

• Message class: WVLBCHECK - Message Class for Check Program for Load Building

• Message number: 006

• Message text: Error calling user exit &1 in function module &2

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message WVLBCHECK006 - Error calling user exit &1 in function module &2 ?

  The SAP error message WVLBCHECK006 indicates that there is an issue with a user exit that is being called within a specific function module. This error typically arises in the context of the SAP Logistics module, particularly in the area of logistics execution or warehouse management.
  Cause:
  
  User Exit Issues: The user exit specified in the error message may not be implemented correctly, or it may contain errors that prevent it from executing properly.
  Function Module Problems: The function module mentioned in the error may have issues, such as missing parameters or incorrect logic.
  Configuration Issues: There may be configuration settings in the system that are not aligned with the expected behavior of the user exit or function module.
  Authorization Issues: The user executing the transaction may not have the necessary authorizations to call the user exit or function module.
  
  Solution:
  
  Check User Exit Implementation: Review the implementation of the user exit specified in the error message. Ensure that it is correctly coded and does not contain any syntax or logical errors.
  Debugging: Use the SAP debugger to step through the function module and the user exit to identify where the error occurs. This can help pinpoint the exact line of code causing the issue.
  Review Function Module: Check the function module for any issues, such as missing or incorrect parameters. Ensure that it is functioning as expected.
  Configuration Review: Verify the configuration settings related to the user exit and function module. Ensure that they are set up correctly according to the business requirements.
  Authorization Check: Ensure that the user has the necessary authorizations to execute the function module and access the user exit.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error message. There may be patches or updates available that resolve known issues.
  
  Related Information:
  
  User Exits: User exits are predefined points in the SAP code where custom code can be added. They are often used to enhance standard functionality without modifying the original code.
  Function Modules: Function modules are reusable pieces of code in SAP that can be called from various programs and other function modules.
  Debugging in SAP: Familiarize yourself with the debugging tools in SAP to effectively troubleshoot issues. You can set breakpoints and watchpoints to monitor variable values and program flow.
  SAP Community: Engage with the SAP Community forums for additional insights and solutions from other users who may have encountered similar issues.
  
  If the problem persists after following these steps, consider reaching out to SAP support for further assistance.