How To Fix 1N021 - Payment item transferred to legacy system via item transfer

1N021 - Overview

• Message type: E = Error

• Message class: 1N - BCA: Payment Item Dialog

• Message number: 021

• Message text: Payment item transferred to legacy system via item transfer

What causes this issue?

This item was transferred to BCA from a legacy system via Direct Input.
Such items are not managed by the system as turnover items. Check to
see if the action you want to carry out is allowed for this item.

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?

Error message extract from SAP system. Copyright SAP SE.

1N021 - Details

• The SAP error message 1N021 indicates that a payment item has been transferred to a legacy system via item transfer. This typically occurs in the context of financial transactions where the payment item is no longer available for processing in the SAP system because it has been sent to an external or legacy system for further handling.
  
  Cause:
  
  Item Transfer: The primary cause of this error is that the payment item has already been processed and transferred to a legacy system. This means that the item is no longer available in the SAP system for further actions.
  
  Configuration Issues: There may be configuration settings in the SAP system that dictate how payment items are handled, including when they are transferred to a legacy system.
  Data Integrity: There could be issues with data integrity or synchronization between the SAP system and the legacy system, leading to discrepancies in the status of payment items.
  
  
  Solution:
  
  Check Item Status: