How To Fix FINS_ACDOC_POST012 - Reference number &1 &2 for process &3 not unique

FINS_ACDOC_POST012 - Overview

• Message type: E = Error

• Message class: FINS_ACDOC_POST - FIN UDoc posting: Message from posting

• Message number: 012

• Message text: Reference number &1 &2 for process &3 not unique

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_ACDOC_POST012 - Reference number &1 &2 for process &3 not unique ?

  The SAP error message FINS_ACDOC_POST012 typically indicates that there is a problem with the uniqueness of a reference number in the context of posting accounting documents. This error occurs when the system finds multiple entries that match the reference number provided, which should be unique for the specific process being executed.
  
  Cause:
  
  Duplicate Reference Numbers: The most common cause of this error is that there are duplicate entries in the database for the reference number specified in the posting process. This can happen if the same reference number is used for multiple transactions or if there are issues with the data entry process.
  Incorrect Configuration: There may be configuration settings in the system that do not enforce uniqueness properly, leading to the creation of duplicate entries.
  Data Migration Issues: If data was migrated from another system, it is possible that duplicate reference numbers were introduced during the migration process.
  Concurrency Issues: If multiple users are