How To Fix USMD6306 - In hierarchies, fields cannot be placed directly under &1

SAP Error Message - Details

• Message type: E = Error

• Message class: USMD6 - Messages for Data Transfer

• Message number: 306

• Message text: In hierarchies, fields cannot be placed directly under &1

What causes this issue?

The following applies for hierarchy transfer structures: Fields can be
part of the header, the higher-level or lower-level nodes, or the
hierarchy attributes, but cannot be direct components of the data row.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Move the field to an allowed position.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message USMD6306 - In hierarchies, fields cannot be placed directly under &1 ?

  The SAP error message USMD6306 typically occurs in the context of SAP Master Data Governance (MDG) when you are trying to create or modify a hierarchy structure. The error indicates that certain fields cannot be placed directly under a specific node in the hierarchy, which is represented by &1 in the error message.
  Cause:
  The error is usually caused by one of the following reasons:
  
  Hierarchy Structure Rules: The hierarchy you are working with has specific rules that dictate which fields can be placed under which nodes. Some nodes may only accept certain types of child nodes (e.g., other nodes or specific fields).
  Field Compatibility: The field you are trying to place under the node may not be compatible with that node's data structure or type.
  Configuration Issues: There may be configuration settings in the MDG that restrict the placement of fields in the hierarchy.
  
  Solution:
  To resolve the USMD6306 error, you can take the following steps:
  
  
  Review Hierarchy Structure: Check the hierarchy structure to understand the rules governing the placement of fields. Ensure that the field you are trying to place is allowed under the specified node.
  
  
  Check Field Properties: Verify the properties of the field you are trying to add. Ensure that it is compatible with the node you are trying to place it under.
  
  
  Consult Documentation: Refer to the SAP documentation or configuration guides related to the specific hierarchy you are working with. This can provide insights into the allowed configurations.
  
  
  Adjust Configuration: If necessary, adjust the configuration settings in the MDG to allow for the desired hierarchy structure. This may involve modifying the data model or hierarchy settings.
  
  
  Seek Help from SAP Support: If you are unable to resolve the issue, consider reaching out to SAP support or consulting with an SAP expert who can provide guidance based on your specific scenario.
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional context.
  MDG Configuration: Familiarize yourself with the configuration of Master Data Governance, especially regarding hierarchies and data models.
  Training and Documentation: Consider training resources or documentation that cover the creation and management of hierarchies in SAP MDG.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.