How To Fix WM01009 - A root node cannot be assigned to an assortment

SAP Error Message - Details

• Message type: E = Error

• Message class: WM01 - Assortments IS-R Enhancements

• Message number: 009

• Message text: A root node cannot be assigned to an assortment

What causes this issue?

You want to assign the root node to an
<DS:GLOS.3526BC76AFAB52B9E10000009B38F974>assortment</>.

System Response

This action is not permitted.

How to fix this error?

Depending on the sorting, assign a node or a
<DS:GLOS.3526BF3BAFAB52B9E10000009B38F974>plant</> that comes under the
root node to an assortment.

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message WM01009 - A root node cannot be assigned to an assortment ?

  The SAP error message WM01009, which states "A root node cannot be assigned to an assortment," typically occurs in the context of Warehouse Management (WM) or Extended Warehouse Management (EWM) when there is an attempt to assign a root node (a top-level node in a hierarchy) to an assortment. This is not allowed because assortments are meant to be collections of items or products, and a root node is not a valid item for this purpose.
  Cause:
  
  Hierarchy Misconfiguration: The root node is part of a hierarchical structure, and it is not intended to be included in assortments.
  Incorrect Assignment: The user may have mistakenly tried to assign a root node instead of a valid item or product to the assortment.
  Data Integrity Issues: There may be issues with the data integrity in the system, leading to incorrect assignments.
  
  Solution:
  
  Review the Assignment: Check the assignment you are trying to make. Ensure that you are assigning valid items or products to the assortment and not a root node.
  Correct the Hierarchy: If you need to include items in an assortment, ensure that you are working with the correct nodes in the hierarchy. Only assign leaf nodes (the end nodes in a hierarchy) to assortments.
  Consult Documentation: Refer to SAP documentation or help resources for guidance on how to properly configure assortments and hierarchies.
  System Configuration: If you believe the configuration is incorrect, consult with your SAP administrator or a consultant to review the system settings related to assortments and hierarchies.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional context.
  Transaction Codes: Familiarize yourself with transaction codes related to Warehouse Management and assortments, such as WM01, WM02, or EWM transaction codes.
  Training and Documentation: Consider training sessions or documentation on Warehouse Management and assortment management to better understand the structure and rules governing these elements in SAP.
  
  If the issue persists after following these steps, it may be beneficial to reach out to SAP support for further assistance.