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

SAP Error Message - Details

• 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.

Smart SAP Assistant

• What is the cause and solution for SAP error message TBA1020 - Period determination method &1 is still used; deletion not possible ?

  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. Here are the steps you can take:
  
  
  Identify Usage:
  
  Use transaction codes like SE11 (Data Dictionary) or SE16 (Data Browser) to check tables that might reference the period determination method.
  Common tables to check include:
  
  TKA01 (Cost Center Master Data)
  TKA02 (Profit Center Master Data)
  TKA03 (Internal Order Master Data)
  
  
  You can also check configuration settings in the relevant modules (e.g., CO, FI) to see where the method is assigned.
  
  
  
  Remove References:
  
  Once you identify the objects using the period determination method, you will need to either change their configuration to use a different method or delete the objects if they are no longer needed.
  
  
  
  Delete the Method:
  
  After ensuring that no references exist, you can proceed to delete the period determination method using the appropriate transaction (usually OBY6 for financial periods or similar).
  
  
  
  Testing:
  
  After deletion, it’s a good practice to test the system to ensure that everything is functioning correctly and that no unintended consequences have arisen from the deletion.
  
  
  
  Related Information:
  
  Documentation: Refer to SAP Help documentation for detailed information on period determination methods and their configuration.
  Transaction Codes: Familiarize yourself with relevant transaction codes for managing period determination methods and related configurations.
  Support: If you are unable to identify the references or if the issue persists, consider reaching out to your SAP support team or consulting with an SAP expert.
  
  By following these steps, you should be able to resolve the TBA1020 error and successfully delete the period determination method.