How To Fix WU226 - Automatic module generation determined -> manual creation not possible

SAP Error Message - Details

• Message type: E = Error

• Message class: WU - Promotion management messages

• Message number: 226

• Message text: Automatic module generation determined -> manual creation not possible

What causes this issue?

At least one subsequent processing step was successfully carried out
and saved for this promotion. The system determined that modules and
plant group assignments are to be generated automatically. They are
generated via Listing. Other subsequent processing functions only
determine the modules and plant group assignments. This is necessary so
that plant-to-material assignments are the same for all follow-on
processing functions.

System Response

Manual modules can no longer be created.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message WU226 - Automatic module generation determined -> manual creation not possible ?

  The SAP error message WU226 ("Automatic module generation determined -> manual creation not possible") typically occurs in the context of SAP's module generation process, particularly when dealing with the creation of function modules or other programmatic components in the SAP system.
  Cause:
  This error message indicates that the system has determined that the function module or program in question cannot be created manually because it is set up to be generated automatically. This usually happens in scenarios where:
  
  Automatic Generation Settings: The system is configured to automatically generate certain modules based on specific criteria or settings, and manual intervention is not allowed.
  Dependencies: There may be dependencies or relationships with other objects that require the module to be generated automatically.
  Configuration Issues: There might be configuration settings in the system that enforce automatic generation, preventing manual creation.
  
  Solution:
  To resolve this error, you can consider the following steps:
  
  
  Check Configuration: Review the configuration settings related to the module or function you are trying to create. Ensure that the settings allow for manual creation if that is your intention.
  
  
  Use Automatic Generation: If the system is designed to generate the module automatically, consider using that feature instead of trying to create it manually. Look for options to trigger the automatic generation process.
  
  
  Review Dependencies: Check for any dependencies or related objects that might be influencing the generation process. Ensure that all necessary components are in place.
  
  
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance on the module you are working with. There may be specific instructions or best practices for handling such cases.
  
  
  Contact SAP Support: If the issue persists and you cannot find a resolution, consider reaching out to SAP support for assistance. They may provide insights specific to your system configuration or version.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes that may help in managing function modules, such as SE37 (Function Builder) or SE80 (Object Navigator).
  SAP Notes: Search for SAP Notes related to the error message WU226 for any patches or updates that may address the issue.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to address the WU226 error and proceed with your development tasks in SAP.