How To Fix UMB002 - Invalid lower level node of node '&1'

SAP Error Message - Details

• Message type: E = Error

• Message class: UMB - SEM-CPM: Balanced Scorecard

• Message number: 002

• Message text: Invalid lower level node of node '&1'

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message UMB002 - Invalid lower level node of node '&1' ?

  The SAP error message UMB002, which states "Invalid lower level node of node '&1'", typically occurs in the context of SAP's Master Data Management (MDM) or when dealing with hierarchical data structures, such as organizational units, product hierarchies, or similar structures.
  Cause:
  The error message UMB002 indicates that there is an issue with the hierarchical structure of nodes. Specifically, it suggests that the system has encountered a lower-level node that is not valid or does not exist under the specified parent node (represented by '&1'). This can happen due to several reasons:
  
  Incorrect Hierarchical Structure: The node you are trying to reference may not be correctly linked to its parent node.
  Data Integrity Issues: There may be inconsistencies in the data, such as missing nodes or incorrect relationships between nodes.
  Configuration Errors: The configuration settings for the hierarchy may not be set up correctly, leading to invalid references.
  Transport Issues: If the hierarchy was transported from one system to another, there may have been issues during the transport process that led to missing or invalid nodes.
  
  Solution:
  To resolve the UMB002 error, you can take the following steps:
  
  
  Check Hierarchical Structure:
  
  Verify the hierarchy in the relevant transaction (e.g., using transaction codes like OIRH for organizational structures).
  Ensure that the lower-level node is correctly assigned to the parent node.
  
  
  
  Data Consistency Check:
  
  Run consistency checks on the master data to identify any discrepancies or missing nodes.
  Use transaction codes like SE11 or SE16 to inspect the relevant database tables for the hierarchy.
  
  
  
  Review Configuration:
  
  Check the configuration settings related to the hierarchy in the customizing settings (SPRO).
  Ensure that all necessary nodes are defined and correctly linked.
  
  
  
  Transport Validation:
  
  If the hierarchy was recently transported, check the transport logs for any errors or warnings.
  Ensure that all dependent objects were included in the transport request.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or notes related to the specific module you are working with for any known issues or additional troubleshooting steps.
  
  
  
  Seek Help from SAP Support:
  
  If the issue persists, consider reaching out to SAP support for assistance, providing them with detailed information about the error and the context in which it occurs.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes for managing hierarchies, such as OIRH (for organizational structures) or similar codes for other types of hierarchies.
  SAP Notes: Search for SAP Notes related to UMB002 or hierarchical data management for any patches or updates that may address the issue.
  Community 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 and resolve the cause of the UMB002 error in your SAP system.