How To Fix RA066 - Unable to delete nodes (MTE)

SAP Error Message - Details

• Message type: E = Error

• Message class: RA - Monitoring structure dialog message

• Message number: 066

• Message text: Unable to delete nodes (MTE)

What causes this issue?

Internal error in the monitoring architecture.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Contact SAP AG.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message RA066 - Unable to delete nodes (MTE) ?

  The SAP error message RA066 "Unable to delete nodes (MTE)" typically occurs in the context of the SAP Solution Manager or when dealing with Monitoring and Technical Monitoring (MTE - Monitoring Tree Elements). This error indicates that the system is unable to delete certain nodes from the monitoring tree, which can be due to various reasons.
  Causes:
  
  Dependencies: The node you are trying to delete may have dependencies or child nodes that prevent its deletion.
  Authorization Issues: The user may not have the necessary authorizations to delete the node.
  System Configuration: There may be configuration issues or inconsistencies in the monitoring setup.
  Technical Errors: There could be underlying technical issues or bugs in the SAP system that are causing the error.
  
  Solutions:
  
  Check Dependencies: Ensure that the node you are trying to delete does not have any child nodes or dependencies. If it does, you may need to delete those first.
  Review Authorizations: Verify that the user attempting to delete the node has the appropriate authorizations. You may need to consult with your SAP security team to ensure the correct roles are assigned.
  System Configuration: Review the configuration settings in the SAP Solution Manager or the relevant monitoring setup. Ensure that everything is correctly configured and that there are no inconsistencies.
  Use Transaction Codes: You can use transaction codes like RZ20 (for monitoring) or RZ21 (for managing MTEs) to check the status of the nodes and attempt to delete them from there.
  Check Logs: Look into the system logs (transaction SLG1) for any additional error messages or information that might provide more context on why the deletion is failing.
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that might address this specific error. There may be patches or updates available that resolve the issue.
  Contact SAP Support: If the issue persists after trying the above solutions, consider reaching out to SAP Support for further assistance.
  
  Related Information:
  
  Monitoring Tree Elements (MTE): Understanding how MTEs work in SAP Solution Manager can help in managing and troubleshooting issues related to monitoring.
  SAP Solution Manager Documentation: Refer to the official SAP documentation for detailed guidance on managing monitoring configurations and troubleshooting errors.
  Community Forums: Engaging with SAP community forums can provide insights from other users who may have encountered similar issues.
  
  By following these steps, you should be able to identify the cause of the RA066 error and implement a suitable solution.