How To Fix MSG_UH172 - Line &1: Special tag &2 can only be assigned to normal node.

SAP Error Message - Details

• Message type: E = Error

• Message class: MSG_UH - Universal Hierarchy Message Class

• Message number: 172

• Message text: Line &1: Special tag &2 can only be assigned to normal node.

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message MSG_UH172 - Line &1: Special tag &2 can only be assigned to normal node. ?

  The SAP error message MSG_UH172 indicates that there is an issue with the assignment of a special tag to a node in a hierarchical structure, such as a bill of materials (BOM) or a similar data structure. The message specifically states that a special tag (identified by &2) can only be assigned to a normal node (identified by &1).
  Cause:
  The error typically arises when:
  
  You are trying to assign a special tag to a node that is not classified as a "normal" node. In SAP, nodes can have different classifications, and special tags are restricted to certain types of nodes.
  There may be a misunderstanding of the node types and their allowed attributes or tags in the context of the specific SAP module you are working with.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Node Type: Verify the type of the node you are trying to assign the special tag to. Ensure that it is classified as a "normal" node. You may need to refer to the documentation or configuration settings for the specific SAP module you are using.
  
  
  Correct Assignment: If the node is not a normal node, you will need to either:
  
  Change the node type to a normal node if that is appropriate for your data structure.
  Use a different tag that is compatible with the current node type.
  
  
  
  Review Documentation: Consult the SAP documentation or help resources related to the specific module you are working with. This can provide insights into the types of nodes and the tags that can be assigned to them.
  
  
  Consult with SAP Support: If you are unable to resolve the issue, consider reaching out to SAP support or your internal SAP team for further assistance. They may have additional insights or solutions based on your specific configuration and usage.
  
  
  Related Information:
  
  Node Types: Familiarize yourself with the different node types in the context of your SAP application. Understanding the hierarchy and classification of nodes can help prevent similar errors in the future.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error message or provide additional context on how to handle special tags and node assignments.
  Testing: After making changes, test the assignment again to ensure that the error is resolved and that the data structure behaves as expected.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.