How To Fix WU106 - Modules exist: Listing period can no longer be changed

SAP Error Message - Details

• Message type: E = Error

• Message class: WU - Promotion management messages

• Message number: 106

• Message text: Modules exist: Listing period can no longer be changed

What causes this issue?

The sales period of the plant group falls outside the sales period of
the whole promotion (earliest start of sale and latest end of sale for
all plant groups).
A module has already been created for this promotion. The validity
period of a module that corresponds to the listing period of the
promotion cannot be changed.

How to fix this error?

You can only change the validity period by deleting all modules,
changing the listing period, and then creating new modules.
You can only delete modules if subsequent processing has not yet been
carried out.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message WU106 - Modules exist: Listing period can no longer be changed ?

  The SAP error message WU106 ("Modules exist: Listing period can no longer be changed") typically occurs in the context of managing product listings in SAP, particularly in the area of logistics or materials management. This error indicates that there are existing modules (or records) associated with a product that prevent changes to the listing period.
  Cause:
  The error is triggered when you attempt to change the listing period of a product that already has associated modules or records. This could happen in scenarios such as:
  
  The product is already listed in a specific period, and there are transactions or records that reference this listing.
  There are existing sales orders, purchase orders, or other documents that are linked to the product for the specified period.
  The system has constraints that prevent changes to the listing period once certain conditions are met.
  
  Solution:
  To resolve the WU106 error, you can take the following steps:
  
  
  Check Existing Modules: Review the existing modules or records associated with the product. You can do this by checking the relevant transaction codes or reports in SAP that list the modules for the product.
  
  
  Identify Dependencies: Determine if there are any dependent transactions (like sales orders, purchase orders, etc.) that are preventing the change. You may need to cancel or modify these transactions if they are no longer needed.
  
  
  Change Listing Period: If you have identified and resolved any dependencies, you can attempt to change the listing period again. Ensure that no active transactions are linked to the period you are trying to modify.
  
  
  Consult Documentation: Refer to SAP documentation or help resources for specific guidelines on managing product listings and understanding the implications of changing listing periods.
  
  
  Contact Support: If you are unable to resolve the issue, consider reaching out to your SAP support team or consulting with an SAP expert who can provide more tailored assistance based on your specific system configuration and business processes.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as MM03 (Display Material), MM02 (Change Material), or others that may help you view or manage product listings.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP Notes can provide insights into similar issues faced by other users and potential fixes.
  User Roles and Permissions: Ensure that you have the necessary permissions to make changes to product listings, as restrictions may also lead to errors.
  
  By following these steps, you should be able to address the WU106 error and successfully manage your product listings in SAP.