How To Fix WRF_REF201 - Enter a Hierarchy Level

SAP Error Message - Details

• Message type: E = Error

• Message class: WRF_REF - Messages from References for Materials Without History

• Message number: 201

• Message text: Enter a Hierarchy Level

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 WRF_REF201 - Enter a Hierarchy Level ?

  The SAP error message WRF_REF201, which states "Enter a Hierarchy Level," typically occurs in the context of working with product hierarchies or other hierarchical structures in SAP, particularly in the SAP Retail or SAP S/4HANA environments. This error indicates that the system expects a hierarchy level to be specified, but it has not been provided.
  Cause:
  
  Missing Hierarchy Level: The most common cause of this error is that the user has not entered a hierarchy level when trying to perform an action that requires it, such as assigning a product to a hierarchy or maintaining hierarchy data.
  Incorrect Configuration: There may be issues with the configuration of the hierarchy itself, such as missing nodes or levels that need to be defined.
  User Input Error: The user may have overlooked entering the required field or may have entered it incorrectly.
  
  Solution:
  
  Enter a Hierarchy Level: When prompted with this error, ensure that you enter a valid hierarchy level in the relevant field. This may involve selecting from a dropdown list or manually entering the level.
  Check Hierarchy Configuration: If you are unsure about the hierarchy levels available, check the configuration of the hierarchy in the system. You can do this by navigating to the relevant transaction (e.g., transaction code OMH1 for maintaining hierarchies) and reviewing the defined levels.
  Review Documentation: Consult the SAP documentation or help resources for guidance on how to properly enter hierarchy levels and what is expected in your specific context.
  User Training: If this error is occurring frequently, consider providing additional training for users on how to work with hierarchies in SAP.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as OMH1 (Maintain Hierarchy) or WRF_HIER (Hierarchy Management) to manage and view hierarchies.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP Notes can provide additional context or solutions for specific scenarios.
  Support: If the issue persists after following the above steps, consider reaching out to your SAP support team or consulting with an SAP expert for further assistance.
  
  By ensuring that the hierarchy level is correctly specified and that the hierarchy is properly configured, you should be able to resolve the WRF_REF201 error.