How To Fix USMDZ3034 - &1 &2 The change made to field &3 is not allowed

USMDZ3034 - Overview

• Message type: E = Error

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

• Message number: 034

• Message text: &1 &2 The change made to field &3 is not allowed

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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USMDZ3034 - Details

• The SAP error message USMDZ3034 typically indicates that a change made to a specific field in a data model is not allowed due to certain restrictions or rules defined in the system. This error is often encountered in the context of SAP Master Data Governance (MDG) when trying to modify fields that are either locked, not editable, or have specific validation rules applied.
  
  Cause:
  
  Field Restrictions: The field you are trying to change may have restrictions based on the configuration of the data model. For example, it could be a key field or a field that is controlled by specific business rules.
  Status of the Data: The data record may be in a status that does not allow changes. For instance, if the record is already approved or in a finalized state, modifications may be restricted.
  Validation Rules: There may be validation rules defined in the data model that prevent changes to certain fields