How To Fix MSG_UH179 - Line &1: Each node can only have one type of child node.

SAP Error Message - Details

• Message type: E = Error

• Message class: MSG_UH - Universal Hierarchy Message Class

• Message number: 179

• Message text: Line &1: Each node can only have one type of child node.

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message MSG_UH179 - Line &1: Each node can only have one type of child node. ?

  The SAP error message MSG_UH179 indicates that there is a structural issue in the hierarchy of nodes within a certain configuration or data structure. Specifically, the error states that "Each node can only have one type of child node," which means that the system is expecting a specific type of child node under a parent node, but it has encountered multiple types or an unexpected type.
  
  Cause:
  
  
  Incorrect Hierarchical Structure: The most common cause of this error is that the hierarchical structure defined in the configuration does not adhere to the rules set by the system. For example, if a parent node is defined to only allow a specific type of child node, and another type is added, this error will occur.
  
  
  Data Entry Errors: During data entry or configuration, users may inadvertently assign multiple types of child nodes to a single parent node.
  
  
  
  Configuration Issues: If the configuration settings for the nodes are