How To Fix RTCMMD182 - Node assignment & cannot be selected as a reference node

SAP Error Message - Details

• Message type: E = Error

• Message class: RTCMMD - Article Hierarchy

• Message number: 182

• Message text: Node assignment & cannot be selected as a reference node

What causes this issue?

A node assignment can only be selected as a reference node if it has
been scheduled with an open-ended end date.

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?

Choose a node assignment with an open-ended end date as the reference
node.

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 RTCMMD182 - Node assignment & cannot be selected as a reference node ?

  The SAP error message RTCMMD182, which states "Node assignment & cannot be selected as a reference node," typically occurs in the context of SAP Master Data Management (MDM) or when working with hierarchical data structures in SAP. This error indicates that the node you are trying to assign as a reference node is not valid for the operation you are attempting to perform.
  Cause:
  
  Invalid Node Selection: The node you are trying to select as a reference node may not meet the criteria set by the system. This could be due to the node's status, type, or its position in the hierarchy.
  Hierarchy Structure: The node may not be part of the correct hierarchy or may not have the necessary attributes to be designated as a reference node.
  Data Integrity Issues: There may be issues with the data integrity of the nodes in the hierarchy, such as missing relationships or incorrect configurations.
  
  Solution:
  
  Check Node Validity: Ensure that the node you are trying to select as a reference node is valid. Verify its status and attributes to confirm it meets the necessary criteria.
  Review Hierarchy Structure: Examine the hierarchy structure to ensure that the node is correctly positioned and that all parent-child relationships are properly defined.
  Data Consistency: Check for any data integrity issues. Make sure that all required fields are filled out and that there are no inconsistencies in the data.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidelines on node assignments and reference nodes in your version of SAP.
  System Configuration: If you have access, review the configuration settings related to node assignments in your SAP system. There may be specific settings that restrict certain nodes from being selected as reference nodes.
  Contact Support: If the issue persists, consider reaching out to SAP support or your internal IT team for further assistance. They may have additional insights or tools to diagnose the problem.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error message or provide additional troubleshooting steps.
  Transaction Codes: Familiarize yourself with transaction codes related to hierarchy management, such as RSCUSTV10 for customizing settings or RSCUSTV20 for managing hierarchies.
  User Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to identify the cause of the RTCMMD182 error and implement a suitable solution.