How To Fix RA148 - Method is still assigned to MTEs and/or classes. Deletion not possible.

RA148 - Overview

• Message type: E = Error

• Message class: RA - Monitoring structure dialog message

• Message number: 148

• Message text: Method is still assigned to MTEs and/or classes. Deletion not possible.

Self-Explanatory Message

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RA148 - Details

• The SAP error message RA148 indicates that a method cannot be deleted because it is still assigned to Monitoring Template Elements (MTEs) and/or classes. This typically occurs in the context of SAP's monitoring and performance management tools, where methods are used to define how certain metrics are collected and reported.
  
  Cause:
  
  Active Assignments: The method you are trying to delete is still linked to one or more MTEs or classes. This means that the system is using this method for monitoring purposes, and deleting it could disrupt the monitoring functionality.
  Dependencies: There may be dependencies on this method in other parts of the system, such as in monitoring configurations or performance metrics.
  
  
  Solution:
  To resolve this error, you need to first identify and remove the assignments of the method to the MTEs or classes. Here are the steps you can follow:
  
  
  Identify Assignments:
  
  Use transaction codes like RZ20 (CCMS Monitoring) or RZ21 (Create Monitoring Template) to check