/FMP/MP017 - A data record with the same key already exists

SAP Error Message - Details

• Message type: E = Error

• Message class: /FMP/MP -

• Message number: 017

• Message text: A data record with the same key already exists

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.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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AnswerBot

• What is the cause and solution for SAP error message /FMP/MP017 - A data record with the same key already exists ?

  The SAP error message /FMP/MP017 A data record with the same key already exists typically indicates that you are trying to insert or update a record in a database table where a record with the same key already exists. This is a common issue in database operations where unique constraints are enforced.
  Cause:
  
  Duplicate Key Violation: The primary cause of this error is that the operation you are attempting (insert or update) is violating a unique constraint on the database table. This means that the key you are trying to use already exists in the table.
  Data Entry Error: There may be a mistake in the data entry process, leading to an attempt to create a duplicate record.
  Concurrency Issues: If multiple users or processes are trying to insert records simultaneously, one might succeed while the other fails due to the existing record.
  Incorrect Logic in Code: If you are using custom code (e.g., ABAP programs), there might be a logic error that does not check for existing records before attempting to insert a new one.
  
  Solution:
  
  Check Existing Records: Before inserting a new record, check the database table to see if a record with the same key already exists. You can do this using a SELECT query.
  Modify the Key: If you need to insert a new record, consider modifying the key to ensure it is unique.
  Update Instead of Insert: If the intention was to update an existing record, ensure that you are using the correct update operation instead of an insert.
  Error Handling in Code: If you are using custom code, implement error handling to manage situations where a duplicate key might occur. This can include checking for existing records before attempting to insert.
  Database Constraints: Review the database constraints and ensure they are set up correctly. If necessary, adjust the constraints based on your business logic.
  
  Related Information:
  
  Transaction Management: Ensure that your transactions are managed properly to avoid concurrency issues.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Debugging: If you are using custom ABAP code, consider debugging the program to identify where the duplicate key is being generated.
  Documentation: Refer to the SAP documentation for the specific module you are working with to understand the data model and constraints better.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.