How To Fix D4142 - The subselect of the INSERT statement is explained

SAP Error Message - Details

• Message type: E = Error

• Message class: D4 - DB2/400 specific messages

• Message number: 142

• Message text: The subselect of the INSERT statement is explained

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message D4142 - The subselect of the INSERT statement is explained ?

  The SAP error message D4142 typically indicates an issue with a subselect in an INSERT statement. This error can occur when the subselect does not return a valid result set or when there are issues with the structure of the SQL statement itself.
  Cause:
  
  Invalid Subselect: The subselect may not return any rows, or it may return more rows than expected.
  Data Type Mismatch: The data types of the columns in the subselect may not match the data types of the target table.
  Syntax Errors: There may be syntax errors in the SQL statement, such as missing parentheses or incorrect SQL structure.
  Permissions Issues: The user executing the statement may not have the necessary permissions to access the tables involved in the subselect.
  Database Constraints: Constraints on the target table (like primary key or unique constraints) may be violated by the data being inserted.
  
  Solution:
  
  
  Check the Subselect: Ensure that the subselect returns the expected number of rows and that the data types match the target table's columns.
  
  You can run the subselect independently to verify its output.
  
  
  
  Review SQL Syntax: Double-check the syntax of your INSERT statement and the subselect. Ensure that all parentheses are correctly placed and that the SQL structure is valid.
  
  
  Permissions: Verify that the user has the necessary permissions to read from the source table and write to the target table.
  
  
  Data Validation: Ensure that the data being inserted does not violate any constraints on the target table. Check for unique keys, foreign keys, and other constraints.
  
  
  Use of Aliases: If you are using aliases in your subselect, ensure that they are correctly referenced in the INSERT statement.
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any specific patches or updates related to this error message.
  Documentation: Refer to the SAP documentation for SQL syntax and best practices for using INSERT statements with subselects.
  Debugging: Use transaction codes like SE38 or SE80 to debug the program or report that is generating the error.
  
  If the issue persists after checking these areas, consider reaching out to your SAP support team or consulting the SAP Community for further assistance.