How To Fix KG351 - Entry & is already contained in Table &

KG351 - Overview

• Message type: E = Error

• Message class: KG - CO-PA Planning

• Message number: 351

• Message text: Entry & is already contained in Table &

What causes this issue?

You tried to add a table entry which already exists.

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?

Look in OSS for notes with the keyword "KG351". If you do not find any,
contact SAP.

Error message extract from SAP system. Copyright SAP SE.

KG351 - Details

• The SAP error message KG351 ("Entry & is already contained in Table &") typically occurs in the context of the Controlling (CO) module, particularly when dealing with cost elements, cost centers, or internal orders. This error indicates that there is an attempt to create or modify an entry that already exists in the specified table.
  
  Cause:
  
  Duplicate Entry: The most common cause of this error is that the system is trying to insert a record that already exists in the database table. This could happen during data entry, data migration, or when running a program that processes data.
  Incorrect Configuration: Sometimes, the error can arise from incorrect configuration settings or data inconsistencies in the system.
  Data Upload Issues: If you are uploading data (e.g., through LSMW or other data migration tools), the source data may contain duplicates.
  
  
  Solution:
  
  Check for Duplicates: Review the entries in the relevant table to confirm whether the entry already exists. You