How To Fix FINS_RECON511 - &1: Duplicate key in ACDOCA

FINS_RECON511 - Overview

• Message type: E = Error

• Message class: FINS_RECON - SAP S/4HANA Finance Migration: Reconciliation

• Message number: 511

• Message text: &1: Duplicate key in ACDOCA

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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Smart SAP Assistant

• What is the cause and solution for SAP error message FINS_RECON511 - &1: Duplicate key in ACDOCA ?

  The SAP error message FINS_RECON511 indicates that there is a duplicate key in the ACDOCA table, which is the Universal Journal in SAP S/4HANA. This error typically occurs during the posting of financial documents when the system detects that a record with the same key already exists in the ACDOCA table.
  
  Cause:
  The primary causes of this error can include:
  
  Duplicate Document Posting: Attempting to post a financial document that has already been posted, leading to a conflict in the unique key constraints of the ACDOCA table.
  Incorrect Configuration: Issues with the configuration of the financial document types or posting rules that may allow for duplicate entries.
  Data Migration Issues: If data has been migrated from another system, there may be duplicates that were not properly handled during the migration process.
  Concurrency Issues: Multiple users or processes trying to post the same document simultaneously.
  
  
  Solution:
  To resolve the FINS_RECON511 error, you can take the following steps:
  
  
  Check for Existing