How To Fix MPD137 - Maintain class for technical objects in Customizing first

SAP Error Message - Details

• Message type: E = Error

• Message class: MPD - Message Class for A&D MPD

• Message number: 137

• Message text: Maintain class for technical objects in Customizing first

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message MPD137 - Maintain class for technical objects in Customizing first ?

  The SAP error message MPD137, which states "Maintain class for technical objects in Customizing first," typically occurs when you are trying to create or modify a technical object (like a piece of equipment or a functional location) in the SAP system, but the system cannot find the necessary class assignment for that object.
  
  Cause:
  The error is usually caused by one of the following reasons:
  
  Missing Class Assignment: The technical object you are trying to create or modify does not have a class assigned to it in the Customizing settings.
  Incorrect Configuration: The configuration for the class or the object type may not be set up correctly in the system.
  Authorization Issues: Sometimes, the user may not have the necessary authorizations to view or maintain the class settings.
  
  
  Solution:
  To resolve the MPD137 error, you can follow these steps:
  
  
  Check Class Assignment:
  
  Go to the Customizing settings in SAP (Transaction SPRO).
  Navigate to the relevant area for technical objects (e.g.,