How To Fix LMON081 - No monitor tree is defined. Define the tree in Monitor customizing

SAP Error Message - Details

• Message type: E = Error

• Message class: LMON - Monitor messages

• Message number: 081

• Message text: No monitor tree is defined. Define the tree in Monitor customizing

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message LMON081 - No monitor tree is defined. Define the tree in Monitor customizing ?

  The SAP error message LMON081: No monitor tree is defined. Define the tree in Monitor customizing typically occurs in the context of SAP Landscape Management (LaMa) or SAP Solution Manager when the system is unable to find a defined monitor tree for the landscape or system being managed. This can happen for various reasons, such as misconfiguration or missing settings in the monitoring setup.
  Cause:
  
  Missing Monitor Tree Configuration: The most common cause is that the monitor tree has not been defined in the system. This can happen if the initial setup was not completed or if the configuration was inadvertently deleted or not transported correctly.
  Authorization Issues: Sometimes, the user may not have the necessary authorizations to view or access the monitor tree.
  System or Landscape Changes: Changes in the system landscape, such as adding or removing systems, can lead to inconsistencies in the monitor tree configuration.
  
  Solution:
  To resolve the error, you need to define the monitor tree in the customizing settings. Here are the steps to do this:
  
  
  Access the Customizing Transaction:
  
  Go to transaction code SPRO (SAP Project Reference Object).
  Navigate to the relevant section for Landscape Management or Solution Manager, depending on your setup.
  
  
  
  Define Monitor Tree:
  
  Look for the section related to Monitoring or Landscape Management.
  Find the option to define or customize the Monitor Tree.
  Create a new monitor tree or modify an existing one to include the necessary systems and components.
  
  
  
  Save and Activate:
  
  After defining the monitor tree, save your changes.
  Ensure that the monitor tree is activated and properly linked to the systems you want to monitor.
  
  
  
  Check Authorizations:
  
  Ensure that the user has the necessary authorizations to access the monitor tree. You may need to check roles and profiles assigned to the user.
  
  
  
  Test the Configuration:
  
  After making the changes, test the monitoring functionality to ensure that the error message no longer appears and that the monitor tree is functioning as expected.
  
  
  
  Related Information:
  
  Documentation: Refer to the official SAP documentation for Landscape Management or Solution Manager for detailed steps on configuring the monitor tree.
  SAP Notes: Check for any relevant SAP Notes that may address specific issues or provide additional guidance related to the monitor tree configuration.
  Community Forums: Consider visiting SAP Community forums or other user groups where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to resolve the LMON081 error and successfully define the monitor tree in your SAP system.