How To Fix DG193 - No data records added to table &1, key might already exist

SAP Error Message - Details

• Message type: E = Error

• Message class: DG - DG: Messages for Dangerous Goods Management

• Message number: 193

• Message text: No data records added to table &1, key might already exist

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message DG193 - No data records added to table &1, key might already exist ?

  The SAP error message DG193 "No data records added to table &1, key might already exist" typically occurs when you are trying to insert a record into a database table, but the key you are using for the insertion already exists in that table. This is a common issue when dealing with database operations, especially when primary keys or unique constraints are involved.
  Cause:
  
  
  Duplicate Key: The most common cause of this error is that the key you are trying to insert already exists in the target table. This could be due to:
  
  An attempt to insert a record with a primary key that is already present.
  A unique constraint violation where the value for a field that must be unique is already in use.
  
  
  
  Data Integrity Issues: There may be issues with the data being processed, such as incorrect logic in the program that generates the keys or data being processed in a way that leads to duplicates.
  
  
  Concurrency Issues: If multiple processes are trying to insert records simultaneously, one process may insert a record with a key that another process is also trying to insert.
  
  
  Solution:
  
  
  Check Existing Records: Before attempting to insert a new record, check if a record with the same key already exists in the table. You can do this by executing a SELECT query on the table.
  
  
  Modify Key Generation Logic: If the key is generated programmatically, ensure that the logic for generating keys is robust and does not produce duplicates.
  
  
  Handle Exceptions: Implement error handling in your code to catch this specific error and take appropriate action, such as updating the existing record instead of trying to insert a new one.
  
  
  Use Upsert Logic: If applicable, consider using an "upsert" (update or insert) approach, where you first check for the existence of the record and either update it or insert a new one based on that check.
  
  
  Review Data Load Processes: If this error occurs during data migration or batch processing, review the data load processes to ensure that they are not attempting to insert duplicate records.
  
  
  Database Constraints: Review the database constraints and ensure they are set up correctly. If necessary, adjust the constraints to allow for the intended data operations.
  
  
  Related Information:
  
  Transaction Management: Ensure that your database transactions are managed properly to avoid issues with concurrent inserts.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Debugging: If you are developing or maintaining an ABAP program, use debugging tools to trace the execution and identify where the duplicate key issue arises.
  Documentation: Refer to SAP documentation for the specific table you are working with to understand its structure and constraints.
  
  By following these steps, you should be able to resolve the DG193 error and ensure that your data operations proceed smoothly.