How To Fix DDLS123 - Alias & for & has the same name as another base object

DDLS123 - Overview

• Message type: E = Error

• Message class: DDLS - For DDL source handling

• Message number: 123

• Message text: Alias & for & has the same name as another base object

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message DDLS123 - Alias & for & has the same name as another base object ?

  The SAP error message DDLS123 indicates that there is a naming conflict in the database dictionary. Specifically, it means that an alias you are trying to create or modify has the same name as another base object (like a table, view, or another alias) in the same schema. This can occur when you are working with database objects in the ABAP Dictionary (transaction SE11) or when executing Data Definition Language (DDL) statements.
  
  Cause:
  
  Naming Conflict: The alias you are trying to create already exists with the same name as another object in the database.
  Schema Issues: The alias might be defined in a different schema, but the system is treating it as a conflict due to the same name.
  Object Type Confusion: The system may be confused about the type of object (alias vs. base object) due to naming conventions.
  
  
  Solution:
  
  Rename the Alias: Choose a different name for the alias that does not conflict with