How To Fix LMON010 - Alert Monitor cannot start: root alert class is not defined

LMON010 - Overview

• Message type: E = Error

• Message class: LMON - Monitor messages

• Message number: 010

• Message text: Alert Monitor cannot start: root alert class is not defined

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 LMON010 - Alert Monitor cannot start: root alert class is not defined ?

  The SAP error message LMON010 indicates that the Alert Monitor cannot start because the root alert class is not defined. This issue typically arises in the context of SAP Landscape Management (LaMa) or when dealing with alert monitoring in SAP systems.
  
  Cause:
  The root cause of this error is usually due to a misconfiguration in the alert monitoring setup. Specifically, it occurs when the system cannot find a defined root alert class, which is necessary for the Alert Monitor to function properly. This can happen if:
  
  The alert classes have not been properly defined in the system.
  There is a missing or incorrect configuration in the alert monitoring settings.
  The necessary authorization or roles are not assigned to the user trying to access the Alert Monitor.
  
  
  Solution:
  To resolve the LMON010 error, you can follow these steps:
  
  
  Check Alert Class Configuration:
  
  Go to transaction code SCC4 to check the client settings and ensure that the alert classes are properly