How To Fix DDLS159 - Alias missing for column &

SAP Error Message - Details

• Message type: E = Error

• Message class: DDLS - For DDL source handling

• Message number: 159

• Message text: Alias missing for column &

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

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Smart SAP Assistant

• What is the cause and solution for SAP error message DDLS159 - Alias missing for column & ?

  The SAP error message DDLS159: Alias missing for column & typically occurs in the context of database operations, particularly when dealing with SQL statements or data dictionary objects in SAP. This error indicates that a column in a SELECT statement or a similar operation is missing an alias, which is required for proper identification of the column in the result set.
  
  Cause:
  
  Missing Alias: The most common cause of this error is that a column in your SQL query does not have an alias when it is required. This can happen in complex queries, especially when using joins or subqueries.
  Ambiguous Column Names: If the same column name exists in multiple tables being joined, the database engine requires an alias to distinguish between them.
  Incorrect Syntax: There may be a syntax error in the SQL statement that leads to the omission of an alias.
  
  
  Solution:
  
  Add an Alias: Review the SQL statement and ensure that every