How To Fix KA310 - Entries are not unique

KA310 - Overview

• Message type: E = Error

• Message class: KA - CO Overhead Costs: Overhead, Accrual Calculation

• Message number: 310

• Message text: Entries are not unique

What causes this issue?

The line with the entries &V1& &V2& &V3& &V4& appears twice. The
contents of the lines must be unique, however.

System Response

The entries cannot be saved.

How to fix this error?

Change the lines to make them unique
or
delete one of the lines

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message KA310 - Entries are not unique ?

  The SAP error message KA310 ("Entries are not unique") typically occurs in the context of cost center accounting or internal orders when the system encounters duplicate entries that it cannot process. This error can arise in various scenarios, such as when trying to post costs, create reports, or perform allocations.
  
  Cause:
  The error is usually caused by one of the following reasons:
  
  Duplicate Master Data: There may be duplicate entries in the master data for cost centers, internal orders, or other related objects.
  Incorrect Configuration: The configuration settings for cost accounting may not be set up correctly, leading to conflicts in data entries.
  Data Entry Errors: Users may inadvertently enter the same data multiple times, leading to non-unique entries.
  Transaction Data Issues: There may be issues with the transaction data being processed, such as multiple postings to the same cost center or order without proper differentiation.
  
  
  Solution:
  To resolve the KA310 error, you can take the following steps:
  
  
  Check