How To Fix AJ666 - DPC-ESTB: Original category of current period is not unique

SAP Error Message - Details

• Message type: E = Error

• Message class: AJ - Billing program

• Message number: 666

• Message text: DPC-ESTB: Original category of current period is not unique

What causes this issue?

<ZH>INTERNAL ERROR</>
Until now the original category of the period had to be unique for
DPC-ESTB.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

INCLUDE ISU_SAP OBJECT DOKU ID TX

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message AJ666 - DPC-ESTB: Original category of current period is not unique ?

  The SAP error message AJ666, which states "DPC-ESTB: Original category of current period is not unique," typically occurs in the context of the SAP Controlling (CO) module, particularly when dealing with actual or planned data in the context of cost center accounting or internal orders.
  
  Cause:
  This error usually arises when there are multiple entries for the same category in the current period, which leads to ambiguity in determining which entry should be used for processing. The "original category" refers to the classification of costs or revenues, and if there are duplicate entries for the same category in the same period, SAP cannot determine which one to use.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check for Duplicates: Review the entries in the relevant cost center or internal order for the current period. Look for duplicate entries that may have been created inadvertently.
  
  
  Adjust Entries: If duplicates are found, you may need