How To Fix DG772 - Record with same key already exists; change the key

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 772

• Message text: Record with same key already exists; change the key

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 DG772 - Record with same key already exists; change the key ?

  The SAP error message DG772 ("Record with same key already exists; change the key") typically occurs when you are trying to create or update a record in a database table, and the key you are using already exists in that table. This is a common issue in systems that enforce unique constraints on certain fields, such as primary keys or unique indexes.
  Cause:
  
  Duplicate Key Entry: You are attempting to insert a new record or update an existing record with a key (e.g., a combination of fields that uniquely identify a record) that already exists in the database.
  Data Entry Error: There may be a mistake in the data being entered, leading to an attempt to create a duplicate record.
  Concurrency Issues: If multiple users or processes are trying to create or update records simultaneously, one might be trying to create a record that another has already created.
  Incorrect Logic in Custom Code: If there is custom ABAP code or enhancements that manipulate data, there might be a logic error causing the attempt to create a duplicate record.
  
  Solution:
  
  Check Existing Records: Before creating or updating a record, check the database table to see if a record with the same key already exists. You can do this using transaction codes like SE16 or SE11 to view the table data.
  Change the Key: If you are sure that you need to create a new record, modify the key fields to ensure they are unique. This may involve changing values in fields that are part of the key.
  Review Data Entry: Ensure that the data being entered is correct and does not inadvertently create duplicates. Implement validation checks if necessary.
  Handle Concurrency: If the issue is due to concurrent access, consider implementing locking mechanisms or using transactions to manage data integrity.
  Debug Custom Code: If the error arises from custom ABAP code, review the logic to ensure it correctly checks for existing records before attempting to create or update.
  
  Related Information:
  
  Transaction Codes: Use transaction codes like SE16 (Data Browser) or SE11 (Data Dictionary) to investigate the table structure and existing records.
  Database Constraints: Understand the unique constraints defined on the table in question. You can check this in the Data Dictionary (SE11).
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that might address specific issues related to this error message.
  Documentation: Review SAP documentation for the specific module you are working with, as there may be specific guidelines or best practices for handling unique keys.
  
  By following these steps, you should be able to resolve the DG772 error and ensure that your data operations in SAP proceed smoothly.