How To Fix USMDZ3205 - &1 &2 No message type defined for message "&3" in Customizing

USMDZ3205 - Overview

• Message type: E = Error

• Message class: USMDZ3 - Nachrichtenklasse zum UI des User-Interfaces

• Message number: 205

• Message text: &1 &2 No message type defined for message "&3" in Customizing

What causes this issue?

No message type has been specified for the message to be issued.

System Response

In this case, the message is issued as an error message; therefore, you
may not be able to save the data.

How to fix this error?

For the stated message, specify at least the standard message type at
the top level in Customizing.
In addition, you also can define the message type for the various
checking levels at the next lower level (edition, change request, or
single maintenance).

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.

USMDZ3205 - Details

• The SAP error message USMDZ3205 indicates that there is no message type defined for a specific message in the Customizing settings of the SAP system. This error typically occurs in the context of SAP Master Data Governance (MDG) or similar applications where message types are used to manage and control the flow of messages related to data changes.
  
  Cause:
  The error can be caused by several factors:
  
  Missing Configuration: The message type that is referenced in the error message is not defined in the Customizing settings of the SAP system.
  Incorrect Customizing: The message type may have been incorrectly configured or deleted.
  Transport Issues: If the configuration was transported from another system, it may not have included the necessary message type definitions.
  Authorization Issues: Sometimes, the user may not have the necessary authorizations to view or access the message types.
  
  
  Solution:
  To resolve the error, you can follow these steps:
  
  
  Check Customizing Settings:
  
  Go to the Customizing transaction (SPRO).
  Navigate to