How To Fix FKK_EBS300 - No unique entry in FKK_EBS_POI_SYST with combination &1/&2/&3/&4

FKK_EBS300 - Overview

• Message type: E = Error

• Message class: FKK_EBS - Interface between FI-CA and External Billing System

• Message number: 300

• Message text: No unique entry in FKK_EBS_POI_SYST with combination &1/&2/&3/&4

What causes this issue?

There is either no entry or more than one for the present IDoc in the
Customizing table FKK_EBS_POI_SYST (<LS>Selection of Open Items for
Invoice Printing</>)
Either the control record in the IDoc is incorrect or you have not made
an entry in Customizing.

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?

Check whether you have correctly maintained the entry in the Customizing
activity.
INCLUDE FICA_NA_CUST_2 OBJECT DOKU ID TX
If this is the case, then the control record in the IDocs is incorrect.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

FKK_EBS300 - Details

• The SAP error message FKK_EBS300 indicates that there is no unique entry found in the table FKK_EBS_POI_SYST for the specified combination of parameters. This error typically occurs in the context of Electronic Bank Statement (EBS) processing, particularly when the system is trying to match bank statement items with the corresponding items in the SAP system.
  
  Cause:
  The error can be caused by several factors, including:
  
  Data Inconsistency: There may be duplicate entries or missing entries in the FKK_EBS_POI_SYST table for the specified combination of parameters (e.g., company code, document number, etc.).
  Incorrect Configuration: The configuration for the EBS processing might not be set up correctly, leading to issues in identifying the correct entries.
  Missing Master Data: Related master data (like customer/vendor accounts) may not be properly maintained or may be missing.
  Bank Statement Format Issues: The format of the incoming bank statement might not match the expected format, leading to parsing issues.
  
  
  Solution:
  To resolve the error, you