How To Fix RA086 - Node (MTE) is not assigned to a class

SAP Error Message - Details

• Message type: E = Error

• Message class: RA - Monitoring structure dialog message

• Message number: 086

• Message text: Node (MTE) is not assigned to a class

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RA086 - Node (MTE) is not assigned to a class ?

  The SAP error message RA086, which states "Node (MTE) is not assigned to a class," typically occurs in the context of SAP's monitoring and alerting infrastructure, particularly when dealing with Message Type Elements (MTEs) in the context of SAP Solution Manager or other monitoring tools.
  Cause:
  The error indicates that a specific MTE (which represents a monitoring object) is not linked to a monitoring class. This can happen due to several reasons:
  
  Configuration Issues: The MTE might not have been properly configured or assigned to a monitoring class in the system.
  Missing Class Assignment: The monitoring class that should contain the MTE is either missing or not properly defined.
  Transport Issues: If the configuration was transported from one system to another, the MTE might not have been included in the transport request, leading to this error.
  System Upgrades or Changes: Changes in the system, such as upgrades or modifications, might have led to the loss of the MTE's class assignment.
  
  Solution:
  To resolve the RA086 error, you can follow these steps:
  
  
  Check MTE Configuration:
  
  Go to the transaction code RZ20 (or RZ21 for configuration) to check the configuration of the MTE.
  Verify if the MTE is correctly assigned to a monitoring class.
  
  
  
  Assign MTE to a Class:
  
  If the MTE is not assigned to a class, you can assign it by navigating to the relevant configuration area in the SAP system.
  Use transaction RZ21 to create or modify the monitoring class and ensure that the MTE is included.
  
  
  
  Review Transport Requests:
  
  If the issue arose after a transport, check the transport requests to ensure that all necessary objects, including MTEs and their class assignments, were included.
  
  
  
  Check for System Updates:
  
  If the system has been recently updated, review the release notes or documentation to see if there are any changes related to monitoring classes or MTEs.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or notes related to monitoring and alerting infrastructure for any specific guidance on handling MTEs and classes.
  
  
  
  Contact SAP Support:
  
  If the issue persists after trying the above steps, consider reaching out to SAP support for further assistance.
  
  
  
  Related Information:
  
  Monitoring Classes: These are used to categorize and manage MTEs in SAP's monitoring framework.
  MTEs: These are objects that represent various monitoring aspects of the system, such as performance metrics, alerts, and other operational data.
  Transaction Codes: Familiarize yourself with relevant transaction codes like RZ20, RZ21, and RZ22 for monitoring and configuration tasks.
  
  By following these steps, you should be able to identify and resolve the RA086 error in your SAP system.