How To Fix UI102 - Data model &1 already exists

UI102 - Overview

• Message type: E = Error

• Message class: UI - Data Modeler: Messages for repository interfaces

• Message number: 102

• Message text: Data model &1 already exists

What causes this issue?

You tried to write the data model &V1& but it already exists in the
database.

System Response

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

How to fix this error?

Check the spelling of the model ID.

Error message extract from SAP system. Copyright SAP SE.

UI102 - Details

• The SAP error message UI102, which states "Data model &1 already exists," typically occurs when you are trying to create a new data model in the SAP system, but a data model with the same name or identifier already exists in the system. This can happen in various contexts, such as when working with SAP Fiori, SAP UI5, or other SAP applications that utilize data models.
  
  Cause:
  
  Duplicate Data Model: The most common cause is that a data model with the same name or identifier already exists in the system.
  Incorrect Configuration: There may be a misconfiguration in the system that is causing the system to recognize an existing data model incorrectly.
  Development Environment Issues: If you are working in a development environment, it is possible that the data model was created in a different transport or package.
  
  
  Solution:
  
  
  Check Existing Data Models: 
  
  Use transaction codes like SE11 (Data Dictionary) or SE80 (Object Navigator) to check