How To Fix VW800 - Messages from function modules

SAP Error Message - Details

• Message type: E = Error

• Message class: VW - Shipment Processing Output

• Message number: 800

• Message text: Messages from function modules

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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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 VW800 - Messages from function modules ?

  The SAP error message VW800 typically indicates that there is an issue related to function modules in the SAP system. This error can arise from various causes, and the specific details may vary depending on the context in which the error occurs. Here are some common causes, potential solutions, and related information:
  Causes:
  
  Function Module Issues: The function module being called may not exist, may be incorrectly defined, or may have been deactivated.
  Authorization Problems: The user executing the function may not have the necessary authorizations to access the function module.
  Parameter Mismatch: The parameters being passed to the function module may not match the expected types or formats.
  System Configuration: There may be issues with the configuration of the SAP system or the specific module being used.
  Transport Issues: If the function module was recently transported from another system, there may be inconsistencies or missing dependencies.
  
  Solutions:
  
  Check Function Module: Verify that the function module exists and is active. You can do this by using transaction code SE37 (Function Builder) to search for the function module.
  Review Authorizations: Ensure that the user has the necessary authorizations to execute the function module. You can check this using transaction code SU53 to analyze authorization failures.
  Parameter Validation: Review the parameters being passed to the function module to ensure they are correct. Check the documentation for the function module to confirm the expected input and output parameters.
  Debugging: If you have access, use the debugger to step through the code and identify where the error occurs. This can provide insights into what might be going wrong.
  Check Transport Logs: If the function module was recently transported, check the transport logs for any errors or warnings that might indicate issues with the transport.
  Consult SAP Notes: Search the SAP Support Portal for any relevant SAP Notes that might address the specific error or provide guidance on similar issues.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE37 (Function Builder), SE80 (Object Navigator), and ST22 (Dump Analysis) for further investigation.
  SAP Community: Engage with the SAP Community forums to see if others have encountered similar issues and what solutions they found.
  Documentation: Review the official SAP documentation for the specific function module to understand its purpose and requirements.
  
  If the issue persists after trying the above solutions, it may be beneficial to reach out to your SAP Basis or development team for further assistance.