How To Fix WW038 - Please enter an MG hierarchy level. & is a generic material

SAP Error Message - Details

• Message type: E = Error

• Message class: WW - Material group master maintenance

• Message number: 038

• Message text: Please enter an MG hierarchy level. & is a generic material

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 WW038 - Please enter an MG hierarchy level. & is a generic material ?

  The SAP error message WW038, which states "Please enter an MG hierarchy level," typically occurs in the context of material management, particularly when dealing with material groups (MG) in SAP. This error indicates that the system requires a specific hierarchy level for the material group, but it has not been provided.
  Cause:
  
  Missing Hierarchy Level: The most common cause of this error is that the user has not specified a material group hierarchy level when trying to create or modify a material.
  Generic Material: If the material is marked as a generic material, it may not have a specific hierarchy level assigned, leading to this error.
  Configuration Issues: There may be issues with the configuration of material groups or the hierarchy levels in the system.
  
  Solution:
  
  Enter a Hierarchy Level: When prompted with this error, ensure that you enter a valid material group hierarchy level in the relevant field. This is typically done in the material master data screen.
  Check Material Group Settings: Review the settings for the material group in the configuration. Ensure that the hierarchy levels are properly defined and that the material group you are trying to use is correctly set up.
  Review Generic Material Settings: If the material is a generic material, check if it is necessary to assign a specific hierarchy level. If so, you may need to adjust the material settings to include a hierarchy level.
  Consult Documentation: Refer to SAP documentation or help resources for guidance on how to properly set up material groups and hierarchy levels.
  Contact SAP Support: If the issue persists, consider reaching out to your SAP support team or consulting with SAP experts for further assistance.
  
  Related Information:
  
  Material Master Data: The material master is a central repository of information about materials in SAP. It includes various views, including basic data, purchasing, sales, and accounting.
  Material Group: A material group is a classification of materials that share similar characteristics. It is used for reporting and analysis purposes.
  Hierarchy Levels: Hierarchy levels in material groups allow for better organization and categorization of materials, making it easier to manage and report on them.
  
  By addressing the hierarchy level requirement and ensuring that the material group settings are correctly configured, you should be able to resolve the WW038 error in SAP.