How To Fix FINS_SIS_CUST303 - Implement BAdI FINS_SIS_OPITEMS

FINS_SIS_CUST303 - Overview

• Message type: E = Error

• Message class: FINS_SIS_CUST - Impl. of Doc. Splitting: Customizing

• Message number: 303

• Message text: Implement BAdI FINS_SIS_OPITEMS

What causes this issue?

BAdI FINS_SIS_OPITEMS hasn't been implemented. Implementation of this
BAdI is necessary to enrich the account assignments in open items that
were posted before document splitting was activated.

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?

If the implementation of the BAdI isn't necessary for your project, you
can configure this message according to your requirements.
To change the message, choose
<DS:SIMG.SIMG_CFORFBOBA5BELE>Change Message Control for Document
Processing</> in Customizing for global settings in Financial
Accounting.
You can find the application area and message number in the technical
information.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

FINS_SIS_CUST303 - Details

• The SAP error message FINS_SIS_CUST303 indicates that the Business Add-In (BAdI) FINS_SIS_OPITEMS has not been implemented in your SAP system. This BAdI is typically used in the context of the SAP Financial Information System (FIS) and is related to the operational items in the system.
  
  Cause:
  The error occurs because the system expects a specific implementation of the BAdI FINS_SIS_OPITEMS to be present, but it has not been implemented. This can happen if:
  
  The BAdI is required for certain functionalities in your SAP system, but no implementation exists.
  The system configuration or custom development requires this BAdI to be active for processing operational items.
  
  
  Solution:
  To resolve this error, you need to implement the BAdI FINS_SIS_OPITEMS. Here are the steps to do so:
  
  
  Access the BAdI Implementation:
  
  Go to transaction code SE18 (BAdI Definition) and enter the BAdI name FINS_SIS_OPITEMS.
  Alternatively, you can use transaction code SE19 (BAdI Implementation) to create a new implementation.
  
  
  
  Create a New Implementation:
  
  Click on the