How To Fix KBAPI004 - Use index &1 only once in table &2

KBAPI004 - Overview

• Message type: E = Error

• Message class: KBAPI - General Messages for BAPIs in CO-OM

• Message number: 004

• Message text: Use index &1 only once in table &2

What causes this issue?

You have assigned index &V1& in table &V2& more than once. Note that
the tables PERVALUE and TOTVALUE use the same index. This must be
unique for both tables.

System Response

The BAPI is not processed.

How to fix this error?

Assign the index uniquely when calling up the BAPI.

Error message extract from SAP system. Copyright SAP SE.

KBAPI004 - Details

• The SAP error message KBAPI004 indicates that there is an issue with the use of an index in a table within a BAPI (Business Application Programming Interface) function module. Specifically, the error states that the index specified (denoted as &1) is being used more than once in the context of the table (denoted as &2). This can lead to inconsistencies or unexpected behavior in the processing of the data.
  
  Cause:
  The primary cause of this error is that the same index is being referenced multiple times in a loop or in a context where it should only be used once. This can happen if:
  
  The code is incorrectly structured, leading to the same index being accessed multiple times.
  There is a misunderstanding of how to handle internal tables and their indices in ABAP.
  
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Review the Code: Check the ABAP code where the BAPI is implemented. Look