How To Fix WRF_REF201 - Enter a Hierarchy Level

WRF_REF201 - Overview

• 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.

Unfortunately, there isn't any extra information in this error notice.

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WRF_REF201 - Details

• 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