How To Fix MH426 - Error creating an assortment module for material group &1 of material &2.

SAP Error Message - Details

• Message type: E = Error

• Message class: MH - Maintain Material Master Data (Retail)

• Message number: 426

• Message text: Error creating an assortment module for material group &1 of material &2.

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 MH426 - Error creating an assortment module for material group &1 of material &2. ?

  The SAP error message MH426 indicates that there is an issue with creating an assortment module for a specific material group and material. This error typically arises in the context of merchandise management or assortment planning within SAP.
  Cause:
  The error can be caused by several factors, including:
  
  Material Group Issues: The specified material group (&1) may not be properly defined or may not exist in the system.
  Material Issues: The material (&2) may not be correctly set up or may not belong to the specified material group.
  Configuration Problems: There may be configuration issues in the assortment module settings or related master data.
  Authorization Issues: The user may not have the necessary authorizations to create or modify assortment modules.
  Data Inconsistencies: There may be inconsistencies in the data related to the material or material group.
  
  Solution:
  To resolve the MH426 error, you can take the following steps:
  
  
  Check Material Group: Verify that the material group specified in the error message exists and is correctly configured in the system.
  
  Use transaction code OMD1 to check the material group settings.
  
  
  
  Check Material Master: Ensure that the material specified in the error message is correctly set up in the material master.
  
  Use transaction code MM03 to view the material master data.
  
  
  
  Review Assortment Module Configuration: Check the configuration settings for the assortment module to ensure they are correct.
  
  Use transaction code OMD2 to review assortment module settings.
  
  
  
  Authorization Check: Ensure that the user has the necessary authorizations to create or modify assortment modules.
  
  Consult with your SAP security team if needed.
  
  
  
  Data Consistency Check: Run consistency checks on the data related to the material and material group to identify any discrepancies.
  
  
  Consult Documentation: Refer to SAP documentation or help resources for additional guidance on assortment module creation and related error messages.
  
  
  Contact SAP Support: If the issue persists after checking the above points, consider reaching out to SAP support for further assistance.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as MM03 (Display Material), OMD1 (Maintain Material Groups), and OMD2 (Maintain Assortment Modules).
  SAP Notes: Check for any SAP Notes related to the MH426 error for specific patches or updates that may address the issue.
  User Forums: Engage with SAP community forums or user groups for insights from other users who may have encountered similar issues.
  
  By following these steps, you should be able to identify and resolve the cause of the MH426 error in SAP.