How To Fix TBA1020 - Period determination method &1 is still used; deletion not possible

TBA1020 - Overview

• Message type: E = Error

• Message class: TBA1 - Messages for Treasury Basis Objects

• Message number: 020

• Message text: Period determination method &1 is still used; deletion not possible

What causes this issue?

The period determination method &V1& is still being used by at least one
derivative contract specification.

System Response

Deletion of the period determination method is not possible.

How to fix this error?

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

TBA1020 - Details

• The SAP error message TBA1020 indicates that a specific period determination method (identified by &1) is still in use, which prevents its deletion. This typically occurs in the context of financial or controlling modules where period determination methods are used to define how periods are calculated for various transactions.
  
  Cause:
  The error arises when you attempt to delete a period determination method that is still assigned to one or more objects in the system. This could include:
  
  Master Data: The method might be linked to master data records such as cost centers, profit centers, or internal orders.
  Transaction Data: There may be existing transactions that reference the period determination method.
  Configuration Settings: The method could be part of configuration settings in controlling (CO) or financial accounting (FI) that are still active.
  
  
  Solution:
  To resolve this error, you need to identify where the period determination method is being used and remove those references before attempting to delete it.