How To Fix SOMU_ERROR018 - Service &1 does not have a unique top node

SOMU_ERROR018 - Overview

• Message type: E = Error

• Message class: SOMU_ERROR - Output Management: Utilities

• Message number: 018

• Message text: Service &1 does not have a unique top 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 SOMU_ERROR018 - Service &1 does not have a unique top node ?

  The SAP error message SOMU_ERROR018 indicates that there is an issue with the service definition in the SAP system. Specifically, it means that the service you are trying to work with does not have a unique top node. This can occur in scenarios involving service-oriented architecture (SOA) or when working with service definitions in SAP.
  
  Cause:
  
  Non-Unique Top Node: The service definition may have multiple top nodes defined, which leads to ambiguity when the system tries to identify the primary entry point for the service.
  Incorrect Configuration: The service might be incorrectly configured in the Service Definition or Service Interface.
  Data Model Issues: There may be issues in the underlying data model that lead to multiple nodes being interpreted as top nodes.
  
  
  Solution:
  
  
  Check Service Definition: Review the service definition in the SAP system to ensure that there is only one top node defined. You can do this by navigating to the relevant service in the