How To Fix FKK_EBS304 - Incorrect IDoc: Segment &2 not intended for type &1

FKK_EBS304 - Overview

• Message type: E = Error

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

• Message number: 304

• Message text: Incorrect IDoc: Segment &2 not intended for type &1

What causes this issue?

The present IDoc type contains a segment that is not intended to be
processed.
An error must have occurred when the IDoc was written.

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 the IDoc write process.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

FKK_EBS304 - Details

• The SAP error message FKK_EBS304 indicates that there is an issue with an IDoc (Intermediate Document) being processed in the context of Electronic Bank Statement (EBS) processing. Specifically, the error message states that a certain segment of the IDoc is not intended for the specified type of IDoc. 
  
  Cause:
  
  Incorrect IDoc Structure: The IDoc being processed may have segments that do not match the expected structure for the type of IDoc being used. This can happen if the IDoc is generated incorrectly or if there are changes in the IDoc structure that have not been reflected in the sending system.
  
  Configuration Issues: There may be configuration issues in the IDoc processing settings, such as incorrect mapping or settings in the EBS configuration.
  Version Mismatch: The version of the IDoc being sent may not be compatible with the version expected by the receiving system.
  Data Issues: There may be data inconsistencies or errors in the