How To Fix VW122 - When calling function module &, tables/parameters & & & are missing

SAP Error Message - Details

• Message type: E = Error

• Message class: VW - Shipment Processing Output

• Message number: 122

• Message text: When calling function module &, tables/parameters & & & are missing

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 VW122 - When calling function module &, tables/parameters & & & are missing ?

  The SAP error message VW122 indicates that when calling a function module, certain tables or parameters are missing. This error typically occurs in the context of SAP's Vehicle Management System (VMS) or related modules, but it can also appear in other areas where function modules are used.
  Cause:
  The error VW122 usually arises due to one of the following reasons:
  
  Missing Parameters: The function module being called requires certain input parameters or tables that are not being provided in the call.
  Incorrect Configuration: There may be a configuration issue where the expected parameters are not set up correctly in the system.
  Data Inconsistency: The data being passed to the function module may not be consistent or complete, leading to missing required fields.
  Custom Development: If there are custom developments or enhancements, they may not be correctly implemented, leading to missing parameters.
  
  Solution:
  To resolve the VW122 error, you can follow these steps:
  
  
  Check Function Module Documentation: Review the documentation for the function module being called to identify the required parameters and tables. Ensure that you are passing all necessary data.
  
  
  Debugging: Use the SAP debugger to trace the execution of the program that is calling the function module. This will help you identify which parameters are missing and why.
  
  
  Review Custom Code: If the function module is being called from custom code, review the code to ensure that all required parameters are being populated correctly.
  
  
  Configuration Check: Verify the configuration settings related to the function module. Ensure that all necessary settings are in place and that there are no missing entries.
  
  
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error. There may be known issues or patches available.
  
  
  Testing: After making changes, test the function module call again to ensure that the error is resolved.
  
  
  Related Information:
  
  Function Module Name: The error message will typically include the name of the function module that is causing the issue. This can help you narrow down your investigation.
  Transaction Codes: Depending on the context, you may want to look into transaction codes related to the specific module or function you are working with (e.g., SE37 for function modules).
  SAP Community: Consider searching or posting in the SAP Community forums for additional insights from other users who may have encountered the same issue.
  
  By following these steps, you should be able to identify and resolve the cause of the VW122 error in your SAP system.