How To Fix TU360 - Extrapolation not executable as period up until &1 already billed

TU360 - Overview

• Message type: E = Error

• Message class: TU - Billing/Scheduling/Budget Billing

• Message number: 360

• Message text: Extrapolation not executable as period up until &1 already billed

What causes this issue?

To create a budget billing plan manually, you first have to start
billing extrapolation.
In this case, extrapolation is not possible, because billing documents
already exist up to &V1&.

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?

Invoice the existing billing documents.
Create the new budget billing plan.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

TU360 - Details

• The SAP error message TU360 indicates that an extrapolation process cannot be executed because the period up until a specified date has already been billed. This typically occurs in the context of billing or invoicing processes, particularly in modules related to utilities or service billing.
  
  Cause:
  The error arises when you attempt to perform an extrapolation (a method to estimate future values based on past data) for a billing period that has already been finalized and billed. In SAP, once a billing document is created for a specific period, that period is locked for further changes, including extrapolation.
  
  Solution:
  To resolve the TU360 error, you can consider the following steps:
  
  
  Check Billing Status: Verify if the billing document for the specified period has indeed been created and finalized. You can do this by checking the billing history or the relevant billing documents in the system.
  
  
  Adjust the Period: If you need to perform extrapolation, you may