How To Fix DDLS155 - Length of names list does not match the number of selected columns

SAP Error Message - Details

• Message type: E = Error

• Message class: DDLS - For DDL source handling

• Message number: 155

• Message text: Length of names list does not match the number of selected columns

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message DDLS155 - Length of names list does not match the number of selected columns ?

  The SAP error message DDLS155 indicates that there is a mismatch between the number of names provided in a list and the number of columns that have been selected in a database operation, such as a data definition language (DDL) statement. This typically occurs when you are trying to create or modify a database table or view and the number of column names specified does not match the number of columns being defined or selected.
  Cause:
  
  Mismatched Count: The most common cause is that the number of column names specified in the SQL statement does not match the number of columns being defined or selected.
  Typographical Errors: There may be typographical errors in the column names or in the SQL statement itself.
  Incorrect SQL Syntax: The SQL syntax may be incorrect, leading to confusion in the interpretation of the column names and their corresponding data types.
  Dynamic SQL Issues: If you are using dynamic SQL, the variables or parameters may not be correctly set, leading to a mismatch.
  
  Solution:
  
  Check Column Count: Ensure that the number of column names specified matches the number of columns being defined or selected. For example, if you are creating a table with three columns, you should provide exactly three names.
  Review SQL Statement: Carefully review the SQL statement for any syntax errors or typographical mistakes. Ensure that all column names are correctly spelled and correspond to the intended columns.
  Debug Dynamic SQL: If using dynamic SQL, debug the code to ensure that the correct number of column names is being passed and that they match the expected count.
  Use Consistent Naming: Ensure that the naming conventions used in the SQL statement are consistent and that there are no discrepancies between the names used in the definition and those in the list.
  
  Related Information:
  
  SAP Documentation: Refer to the SAP Help Portal or the specific documentation for the version of SAP you are using for more detailed information on SQL syntax and DDL operations.
  Transaction Codes: You can use transaction codes like SE11 (Data Dictionary) to check the structure of tables and views to ensure that the definitions are correct.
  Error Logs: Check the system logs or error logs for additional context or related error messages that may provide more insight into the issue.
  
  By following these steps, you should be able to resolve the DDLS155 error and ensure that your SQL statements are correctly structured.