How To Fix ACM_UI151 - Internal error: CTE column name &1 has no column parts

SAP Error Message - Details

• Message type: E = Error

• Message class: ACM_UI - Message-Class for all ACM-UIs

• Message number: 151

• Message text: Internal error: CTE column name &1 has no column parts

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.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message ACM_UI151 - Internal error: CTE column name &1 has no column parts ?

  The SAP error message ACM_UI151, which states "Internal error: CTE column name &1 has no column parts," typically indicates an issue related to the Common Table Expressions (CTE) in the context of a query or report. This error suggests that there is a problem with the way a CTE is defined or referenced in your SQL statement.
  Cause:
  
  Incorrect CTE Definition: The CTE may not be defined correctly, or it may not have any columns specified, leading to the error when the system tries to reference it.
  Missing Column Parts: The error specifically mentions that the column name has no column parts, which means that the CTE might be expected to return certain columns, but they are not defined or are incorrectly referenced.
  Database or Query Issues: There could be underlying issues with the database or the way the query is constructed, such as syntax errors or logical errors in the SQL statement.
  
  Solution:
  
  
  Review CTE Definition: Check the definition of the CTE in your SQL query. Ensure that it is correctly defined with the appropriate columns. For example:
  WITH CTE_Name AS (
      SELECT column1, column2
      FROM table_name
  )
  SELECT * FROM CTE_Name;
  Make sure that the CTE has valid column definitions.
  
  
  Check Column References: Ensure that any references to the CTE in subsequent parts of the query are correct and that the columns being referenced actually exist in the CTE.
  
  
  Debugging: If the CTE is complex, try breaking it down into simpler parts to isolate the issue. You can run the CTE independently to see if it returns the expected results.
  
  
  Consult Documentation: Refer to SAP documentation or community forums for any known issues or updates related to the specific version of SAP you are using.
  
  
  Contact Support: If the issue persists and you cannot identify the problem, consider reaching out to SAP support for assistance. Provide them with the full context of the error, including the SQL query and any relevant details about your environment.
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any specific fixes or patches related to this error message.
  SQL Syntax: Familiarize yourself with the correct syntax for defining and using CTEs in SQL, as this can help prevent similar errors in the future.
  Performance Considerations: Be aware that complex CTEs can impact performance, so consider optimizing your queries if you are working with large datasets.
  
  By following these steps, you should be able to identify and resolve the issue causing the ACM_UI151 error in your SAP environment.