How To Fix WW036 - Please enter an MG hierarchy level. & is a material group

SAP Error Message - Details

• Message type: E = Error

• Message class: WW - Material group master maintenance

• Message number: 036

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

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 WW036 - Please enter an MG hierarchy level. & is a material group ?

  The SAP error message WW036, which states "Please enter an MG hierarchy level," typically occurs when you are trying to create or modify a material group (MG) in the SAP system, but you have not specified a hierarchy level for the material group. This is particularly relevant in the context of material management and classification.
  Cause:
  
  Missing Hierarchy Level: The most common cause of this error is that the user has not entered a hierarchy level for the material group they are trying to create or modify.
  Incorrect Configuration: There may be issues with the configuration of the material group hierarchy in the system.
  User Input Error: The user may have overlooked the requirement to specify a hierarchy level when entering data.
  
  Solution:
  
  Enter a Hierarchy Level: When you encounter this error, check the input fields and ensure that you have specified a valid hierarchy level for the material group. This is usually a dropdown or selection field where you can choose the appropriate level.
  Check Configuration: If you are an administrator or have access to configuration settings, verify that the material group hierarchy is correctly set up in the system. This can be done through transaction codes like OMW1 (for material group hierarchy) or SPRO (to access the configuration menu).
  Consult Documentation: Refer to SAP documentation or help files for guidance on how to properly set up material groups and their hierarchy levels.
  User Training: If this error is frequently encountered by users, consider providing training or documentation to help them understand the importance of entering a hierarchy level.
  
  Related Information:
  
  Material Group: A material group in SAP is a classification of materials that share similar characteristics. It is used for reporting and analysis purposes.
  Hierarchy Levels: Hierarchy levels are used to organize material groups in a structured manner, allowing for better management and reporting.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as MM01 (Create Material), MM02 (Change Material), and MM03 (Display Material) to understand where this error might occur.
  
  If the problem persists after following these steps, it may be beneficial to consult with your SAP support team or refer to SAP Notes for any known issues related to this error message.