How To Fix UGMD100 - Field &1 already exists under a different domain

UGMD100 - Overview

• Message type: E = Error

• Message class: UGMD - FIN Master Data: Messages

• Message number: 100

• Message text: Field &1 already exists under a different domain

What causes this issue?

Field &v1& is to be created with data element &v2&. However, this field
already exists and has data element &v3&.

System Response

The system will continue to use the existing data element &v3&; the
change will not be carried out.

How to fix this error?

Check the definition of field &v1& in all applications and areas, and
if necessary, adjust the definitions so they become consistent.

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.

UGMD100 - Details

• The SAP error message UGMD100, which states "Field &1 already exists under a different domain," typically occurs during the creation or modification of a field in the Data Dictionary (DDIC) when there is a naming conflict with an existing field that has the same name but is associated with a different domain.
  
  Cause:
  
  Naming Conflict: The field name you are trying to create or modify already exists in the system but is linked to a different domain. In SAP, a domain defines the technical attributes of a field, such as its data type and length.
  Domain Definition: If a field with the same name is defined under a different domain, SAP will not allow you to create another field with the same name, as it could lead to confusion and data integrity issues.
  
  
  Solution:
  
  Check Existing Fields: Use transaction SE11 (Data Dictionary) to check if the field name already exists. You can search for the