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

SAP Error Message - Details

• 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

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Smart SAP Assistant

• What is the cause and solution for SAP error message USMDZ3034 - &1 &2 The change made to field &3 is not allowed ?

  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 under specific conditions.
  Authorization Issues: The user may not have the necessary authorizations to make changes to the specified field.
  
  Solution:
  
  Check Field Configuration: Review the configuration of the data model to understand the restrictions on the field you are trying to change. This can be done in the MDG customizing settings.
  Review Data Status: Check the status of the data record. If it is in a status that does not allow changes, you may need to change the status or create a new version of the record.
  Examine Validation Rules: Look into the validation rules that are applied to the data model. You may need to adjust these rules if they are too restrictive or if the business process has changed.
  Authorization Check: Ensure that the user attempting to make the change has the necessary authorizations. This can be checked in the user roles and authorizations assigned to the user.
  Consult Documentation: Refer to the SAP documentation or help resources for specific guidance on the error message and the context in which it occurs.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error message or provide additional troubleshooting steps.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  MDG Configuration: Familiarize yourself with the Master Data Governance configuration, especially around data modeling and field properties.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP support team or a technical consultant who specializes in SAP MDG.