How To Fix WL739 - Mass execution not possible due to different parameter structures

SAP Error Message - Details

• Message type: E = Error

• Message class: WL - Workflow: run-time messages

• Message number: 739

• Message text: Mass execution not possible due to different parameter structures

What causes this issue?

You have selected work items to be executed together whose tasks
comprise object methods which have different parameter structures.
It is therefore not possible to execute them together.

System Response

The action is terminated. The work items are not changed.

How to fix this error?

Only select work items which involve the same task.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message WL739 - Mass execution not possible due to different parameter structures ?

  The SAP error message WL739, which states "Mass execution not possible due to different parameter structures," typically occurs in the context of mass processing or mass execution of certain transactions or functions in SAP. This error indicates that the system has encountered a situation where the parameters or data structures being processed are not compatible or consistent across the records being handled.
  Cause:
  
  
  Inconsistent Data Structures: The error usually arises when the data being processed has different structures or formats. For example, if you are trying to execute a mass transaction on a set of records that have different field definitions or types, the system will not be able to process them together.
  
  
  Different Parameter Settings: If the parameters required for the mass execution differ among the records, the system will not be able to execute the operation as intended.
  
  
  Custom Developments: If there are custom programs or enhancements that modify the standard behavior of mass processing, they may inadvertently lead to this error.
  
  
  Solution:
  
  
  Check Data Consistency: Review the records you are trying to process in mass execution. Ensure that they have consistent data structures and that the required fields are populated correctly.
  
  
  Parameter Alignment: Ensure that the parameters you are using for the mass execution are the same across all records. This may involve standardizing the input data or adjusting the parameters to match.
  
  
  Use of Filters: If applicable, use filters to separate records with different structures and process them in smaller batches that have consistent parameters.
  
  
  Debugging: If you have access to the development environment, you can debug the mass execution program to identify where the inconsistency arises. This may involve checking the data being passed to the function module or method responsible for the mass execution.
  
  
  Consult Documentation: Review the SAP documentation or help resources related to the specific transaction or function you are trying to execute. There may be specific guidelines or requirements for mass execution.
  
  
  Contact SAP Support: If the issue persists and you cannot identify the cause, consider reaching out to SAP support for assistance. They may provide insights based on the specific context of your implementation.
  
  
  Related Information:
  
  Transaction Codes: The error may occur in various transaction codes that support mass processing, such as mass changes in material management, sales orders, or other modules.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide patches or updates that could resolve the issue.
  Community Forums: SAP Community and other forums can be valuable resources for finding similar cases and solutions shared by other users.
  
  By following these steps, you should be able to diagnose and resolve the WL739 error in your SAP environment.