How To Fix 3F321 - Account assignment feature defined for object unit &1 is not unique

3F321 - Overview

• Message type: E = Error

• Message class: 3F - Compensation Management

• Message number: 321

• Message text: Account assignment feature defined for object unit &1 is 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.

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3F321 - Details

• The SAP error message 3F321 indicates that there is a problem with the account assignment feature for a specific object unit (e.g., a cost center, internal order, or project). The message states that the account assignment feature defined for the object unit is not unique, which means that there are multiple account assignment features that could apply to the same object unit, leading to ambiguity in processing.
  
  Cause:
  
  Duplicate Account Assignment Features: The primary cause of this error is that there are multiple account assignment features defined for the same object unit in the configuration. This can happen if the configuration was not set up correctly or if there were changes made that resulted in overlapping features.
  Incorrect Configuration: The configuration settings in the SAP system for account assignment features may not have been properly defined, leading to conflicts.
  Data Inconsistencies: There may be inconsistencies in the master data or transaction data that are