How To Fix UAS105 - Field &1 is already used in type &2

SAP Error Message - Details

• Message type: E = Error

• Message class: UAS -

• Message number: 105

• Message text: Field &1 is already used in type &2

What causes this issue?

The model version cannot contain any fields that are used in attribute
groups, link types, or the posting level.

System Response

The desired column cannot be added because it is already contained in
type &v2&.

How to fix this error?

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

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message UAS105 - Field &1 is already used in type &2 ?

  The SAP error message UAS105 indicates that a field (denoted as &1) is already being used in a specific type (denoted as &2). This error typically arises in the context of data dictionary objects, such as structures, tables, or views, where a field is defined more than once or is being reused in a way that is not allowed.
  Cause:
  
  Duplicate Field Definition: The field you are trying to define is already defined in the same structure or table.
  Field Reuse: The field is being reused in a way that conflicts with the existing definitions in the data dictionary.
  Incorrect Data Element Assignment: The field may be assigned to a data element that is already associated with another field in the same context.
  
  Solution:
  
  Check Field Definitions: Review the data dictionary (SE11) for the structure or table where the error occurs. Ensure that the field is not defined multiple times.
  Rename the Field: If the field is indeed duplicated, consider renaming one of the fields to avoid the conflict.
  Review Data Elements: If the field is using a data element that is already associated with another field, you may need to create a new data element or modify the existing one to resolve the conflict.
  Adjust Structure/Table Design: If the design allows, consider restructuring your data model to avoid reusing fields inappropriately.
  Check for Inheritance: If you are working with inheritance in ABAP classes or structures, ensure that the field is not being inherited in a way that causes conflicts.
  
  Related Information:
  
  Transaction Codes: Use transaction SE11 (Data Dictionary) to view and modify the definitions of tables, structures, and data elements.
  ABAP Development: If you are developing in ABAP, ensure that your code does not inadvertently create duplicate field definitions.
  Documentation: Refer to SAP documentation for best practices on data dictionary design and field usage to avoid such conflicts in the future.
  
  If the issue persists after checking these aspects, consider reaching out to your SAP Basis or ABAP development team for further assistance, as they may have additional insights based on the specific context of your implementation.