How To Fix /ACCGO/CAS_FLLW_MSG037 - An entry with the same key exists

SAP Error Message - Details

• Message type: E = Error

• Message class: /ACCGO/CAS_FLLW_MSG -

• Message number: 037

• Message text: An entry with the same key 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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /ACCGO/CAS_FLLW_MSG037 - An entry with the same key exists ?

  The SAP error message /ACCGO/CAS_FLLW_MSG037 indicating "An entry with the same key exists" typically occurs in the context of data entry or data processing within the SAP system, particularly in the area of financial accounting or controlling. This error suggests that there is an attempt to create or update a record in the database that conflicts with an existing record due to a unique key constraint.
  Cause:
  
  Duplicate Entries: The most common cause is that the system is trying to insert or update a record that already exists in the database with the same key (e.g., a unique identifier).
  Data Migration Issues: If data has been migrated from another system or if there have been bulk uploads, duplicate records may have been inadvertently created.
  Concurrent Processing: If multiple users or processes are trying to create or update the same record simultaneously, it can lead to this error.
  Configuration Issues: Incorrect configuration in the system that defines unique keys for certain tables or records.
  
  Solution:
  
  Identify Duplicates: Check the database or the relevant table to identify if the record already exists. You can use transaction codes like SE16 or SE11 to view the data in the relevant tables.
  Modify the Entry: If you are trying to create a new entry, ensure that the key values you are using are unique. Modify the entry to use a different key if necessary.
  Data Cleanup: If duplicates are found, you may need to clean up the data by removing or merging duplicate records.
  Review Data Migration: If this error occurred after a data migration, review the migration process to ensure that it correctly handled unique constraints.
  Locking Mechanisms: If concurrent processing is the issue, consider implementing locking mechanisms or ensuring that users are not trying to process the same data simultaneously.
  Consult Documentation: Review SAP documentation or notes related to the specific module you are working with for any known issues or additional troubleshooting steps.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with transaction codes like SE16 (Data Browser), SE11 (Data Dictionary), and ST22 (Dump Analysis) to help diagnose the issue.
  SAP Notes: Check SAP Notes for any known issues related to this error message. You can search for the error message or related keywords in the SAP Support Portal.
  User Authorization: Ensure that the user has the necessary authorizations to create or modify records in the relevant tables.
  System Logs: Review system logs for additional context or related error messages that may provide more insight into the issue.
  
  If the problem persists after trying the above solutions, it may be beneficial to consult with your SAP Basis or technical team for further investigation.