How To Fix /ACCGO/CAS_QF072 - Cannot create shadow item; item with key &1 &2 already exists

/ACCGO/CAS_QF072 - Overview

• Message type: E = Error

• Message class: /ACCGO/CAS_QF -

• Message number: 072

• Message text: Cannot create shadow item; item with key &1 &2 already exists

Self-Explanatory Message

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/ACCGO/CAS_QF072 - Details

• The SAP error message /ACCGO/CAS_QF072 Cannot create shadow item; item with key &1 &2 already exists typically occurs in the context of the SAP General Ledger or the Controlling (CO) module when there is an attempt to create a shadow item (a temporary or auxiliary item used for processing) that already exists in the system. This can happen during various processes, such as posting transactions or during data migration.
  
  Cause:
  
  Duplicate Entries: The most common cause of this error is that there is already an existing shadow item with the same key (which usually consists of a combination of fields like account number, company code, etc.) in the system.
  Data Migration Issues: If you are migrating data from another system or performing a mass upload, there may be duplicate records being introduced.
  Concurrency Issues: If multiple users or processes are trying to create the same shadow item simultaneously, it can lead to this error.
  Configuration