How To Fix PG080 - Insert cannot be made due to collision

SAP Error Message - Details

• Message type: E = Error

• Message class: PG - Error Messages for Master Data Programs

• Message number: 080

• Message text: Insert cannot be made due to collision

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message PG080 - Insert cannot be made due to collision ?

  The SAP error message PG080, which states "Insert cannot be made due to collision," typically occurs in the context of database operations, particularly when there is an attempt to insert a record that conflicts with existing data. This can happen in various scenarios, such as when there are unique constraints or primary keys that are violated during the insert operation.
  Causes of PG080 Error
  
  
  Unique Constraints Violation: The most common cause is that the data being inserted violates a unique constraint or primary key constraint in the database. For example, if you are trying to insert a record with a key that already exists in the table.
  
  
  Concurrency Issues: If multiple transactions are trying to insert or update the same record simultaneously, it can lead to a collision.
  
  
  Incorrect Data Handling: Sometimes, the application logic may not handle data correctly, leading to attempts to insert duplicate records.
  
  
  Database Locking: If a record is locked by another transaction, it may prevent the insert operation from completing successfully.
  
  
  Solutions to PG080 Error
  
  
  Check for Existing Records: Before performing the insert operation, check if a record with the same key already exists in the database. You can do this by querying the database.
  
  
  Modify the Insert Logic: If the application logic allows, consider modifying the insert operation to update the existing record instead of inserting a new one. This can be done using an "upsert" operation (insert or update).
  
  
  Handle Concurrency: Implement proper transaction handling and locking mechanisms to avoid concurrency issues. This may involve using optimistic or pessimistic locking strategies.
  
  
  Review Unique Constraints: Review the database schema to understand the unique constraints and ensure that the data being inserted adheres to these constraints.
  
  
  Error Handling: Implement error handling in your application to gracefully manage situations where a collision occurs, providing meaningful feedback to the user.
  
  
  Database Maintenance: Regularly perform database maintenance to ensure that indexes and constraints are functioning correctly.
  
  
  Related Information
  
  
  Transaction Management: Understanding how transactions work in SAP and how to manage them can help prevent issues related to concurrent inserts.
  
  
  Database Logs: Check the database logs for more detailed information about the error and the context in which it occurred.
  
  
  SAP Notes: Look for relevant SAP Notes or documentation that may provide additional insights or solutions specific to your version of SAP.
  
  
  Testing: If possible, replicate the issue in a development or test environment to better understand the conditions that lead to the error.
  
  
  By addressing the underlying causes and implementing the suggested solutions, you should be able to resolve the PG080 error and prevent it from occurring in the future.