How To Fix RH606 - Node ID & occurs more than once in the hierarchy table

SAP Error Message - Details

• Message type: E = Error

• Message class: RH - BW: Hierarchies ( basic functions )

• Message number: 606

• Message text: Node ID & occurs more than once in the hierarchy table

What causes this issue?

The node segment of the hierarchy to be saved contains more than one
node with node ID '&V1& '. The node ID is the unique key of a node in
the hierarchy table however, and should therefore only occur once. Nodes
with identical InfoObjects, technical names and DATETO can occur more
than once in the hierarchy as long as they are not inner nodes. The node
ID of these nodes must always be unique however.
Reasons for duplicate node IDs:
Incorrect transformation of the Node ID field or an incorrect routine
(expert, start or end routine). Maybe the node IDs have not been filled
and are therefore all initial. The value of the node ID in the text
above would then be ' '.
The node IDs occur more than once because more than one hierarchy is
being processed at a given time, and the nodes are assigned to the same
object ID. If more than one hierarchy is processed<(>,<)> the data of
one hierarchy has to be assigned to a unique object ID.
The extractor returns incorrect data<(>,<)> or the data in the flat file
is not correct.

System Response

Hierarchy processing is terminated<(>,<)> and the hierarchy is not
saved.

How to fix this error?

Check the source of the hierarchy data or the transformation. Make sure
that the node IDs do not occur more than once or - if more than one
hierarchy is processed - that the data of one hierarchy is assigned to a
unique object ID.

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 RH606 - Node ID & occurs more than once in the hierarchy table ?

  The SAP error message RH606 indicates that a node ID occurs more than once in the hierarchy table. This typically arises in the context of organizational management or when dealing with hierarchical data structures in SAP, such as positions, organizational units, or other hierarchical entities.
  Cause:
  The error occurs when the same node ID is assigned to multiple entries in the hierarchy table. This can happen due to:
  
  Data Entry Errors: Duplicate entries may have been created inadvertently during data entry or data migration processes.
  Incorrect Hierarchical Structure: The hierarchical structure may not have been defined correctly, leading to the same node being referenced multiple times.
  System Bugs: In some cases, bugs in the system or issues during updates can lead to inconsistencies in the hierarchy data.
  
  Solution:
  To resolve the RH606 error, you can take the following steps:
  
  
  Identify Duplicates:
  
  Use transaction codes like PPOME (for Organizational Management) or PPOSE to view the organizational structure and identify where the duplicate node IDs are present.
  You can also run reports or queries to check for duplicate entries in the hierarchy table.
  
  
  
  Correct the Data:
  
  Once you identify the duplicates, you need to decide which entry to keep and which to delete or modify. Ensure that the hierarchy remains valid after making changes.
  If the duplicates are due to incorrect data entry, correct the entries in the relevant infotypes (e.g., infotype 1000 for organizational units).
  
  
  
  Check for Consistency:
  
  After making corrections, ensure that the hierarchy is consistent and that there are no further duplicates.
  You may want to run consistency checks or validation reports to ensure that the hierarchy is correctly structured.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or notes related to organizational management and hierarchy structures for any specific guidelines or best practices.
  
  
  
  Seek Help from SAP Support:
  
  If the issue persists or if you are unsure about making changes, consider reaching out to SAP support for assistance. They can provide guidance based on the specific version and configuration of your SAP system.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as PPOME, PPOSE, and S_PH0_48000510 (for consistency checks).
  SAP Notes: Check SAP Notes for any known issues or patches related to hierarchy management.
  Training and Documentation: Ensure that users involved in data entry or management are trained on the correct procedures to avoid future occurrences of this error.
  
  By following these steps, you should be able to resolve the RH606 error and maintain a clean and accurate hierarchy in your SAP system.