How To Fix TU820 - Budget billing plan &1 cannot be changed

TU820 - Overview

• Message type: E = Error

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

• Message number: 820

• Message text: Budget billing plan &1 cannot be changed

What causes this issue?

You tried to change a budget billing plan from the <ZK>payment plan</>
or <ZK>payment scheme</> category, or a YAP budget billing plan using
the express transaction <ZK>Budget Billing Change</>. This is not
possible.

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?

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

TU820 - Details

• The SAP error message TU820, which states "Budget billing plan &1 cannot be changed," typically occurs in the context of managing budget billing plans in SAP's IS-U (Industry Solution for Utilities) module. This error indicates that there is an issue preventing changes to a specific budget billing plan.
  Causes:
  
  Status of the Budget Billing Plan: The budget billing plan may be in a status that does not allow changes. For example, if the plan is already finalized or has been locked for some reason, modifications will not be permitted.
  Open Items: There may be open items or transactions associated with the budget billing plan that prevent changes.
  Authorization Issues: The user may not have the necessary authorizations to make changes to the budget billing plan.
  System Configuration: Certain configurations in the system may restrict changes to budget billing plans under specific conditions.
  
  Solutions:
  
  Check the Status: Review the status of the budget billing plan. If it is