How To Fix RH211 - Node [&1]: Leaf '&3' already exists as child of node &2

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 211

• Message text: Node [&1]: Leaf '&3' already exists as child of node &2

What causes this issue?

The nodes NODEID = [&V1&] have the same node names NODENAME = '&V3&'.
This is not allowed because both nodes are leaves and are child nodes of
the same parent node NODEID = &V2&.
Note that a maximum of 50 characters is available for message variables.
The node name NODENAME ='&V3&' might not be displayed in its full
length.

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?

Try to localize the problem. If the hierarchy is loaded from an SAP
source system, you can check whether the extracted data is correct by
executing transaction RSA3 in the source system. If necessary, check if
the data is modified with a user exit. If the hierarchy is loaded from a
file, check the contents of this file. The problem might also be due to
an error in the transfer rules or in the transformation.
You can identify the two duplicate nodes from the values for the node ID
NODEID = [&V1&].
The problem can be caused by identical nodes delivered more than once
from the source. It is also possible that incorrect values for
parameters such as the node name NODENAME or validity period [DATEFROM,
DATETO] are the cause of the problem.
First check if the value for node name NODENAME = " is correct. The
node name consists of the characteristic value for the hierarchy basic
characteristic and the characteristic values of all the characteristics
compounded to this characteristic. Errors creating the node name often
result in duplicate nodes. This problem also occurs if the node names of
all nodes are initial.
If the structure of the hierarchy is defined as time-dependent, the time
validity of a node can be restricted with the fields DATEFROM and
DATETO. Duplicate nodes generally do not occur if the validity intervals
of two nodes do not overlap in time. In this case check if the fields
DATEFROM and DATETO are correctly filled.

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 RH211 - Node [&1]: Leaf '&3' already exists as child of node &2 ?

  The SAP error message RH211 indicates that there is an issue with the hierarchical structure of nodes in a particular context, often related to organizational management or similar structures in SAP. The message specifically states that a leaf node (in this case, identified by &3) is already a child of another node (&2), which is causing a conflict when trying to add it again to the node (&1).
  Cause:
  
  Duplicate Entry: The leaf node you are trying to add already exists as a child of another node. This can happen if there is an attempt to assign the same organizational unit or position to multiple parent nodes.
  Data Integrity Issues: There may be inconsistencies in the data, such as incorrect relationships between nodes in the hierarchy.
  Incorrect Hierarchical Structure: The structure you are trying to create or modify may not adhere to the rules defined in the system, leading to conflicts.
  
  Solution:
  
  Check Existing Hierarchy: Review the current hierarchy to see where the leaf node (&3) is already assigned. You can use transaction codes like PPOME (for organizational management) to visualize the structure.
  Remove Duplicate Assignment: If the leaf node is already assigned to another parent node, you will need to decide whether to remove it from the existing parent or to change the structure you are trying to implement.
  Modify the Hierarchy: If you need to change the parent node of the leaf, ensure that you first remove it from its current parent before adding it to the new one.
  Data Consistency Check: Run consistency checks on your organizational data to ensure there are no other issues that could lead to similar errors.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as PPOME, PPOSE, or OOSB for organizational structure management.
  Documentation: Refer to SAP Help documentation for Organizational Management to understand the rules and structures that govern node relationships.
  Support: If the issue persists, consider reaching out to your SAP support team or consulting SAP Notes for any known issues or patches related to this error.
  
  By following these steps, you should be able to resolve the RH211 error and maintain a consistent hierarchical structure in your SAP system.