How To Fix TU325 - Budget billing plan &1 subject to YAP: proration is not possible

TU325 - Overview

• Message type: E = Error

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

• Message number: 325

• Message text: Budget billing plan &1 subject to YAP: proration is not possible

Self-Explanatory Message

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TU325 - Details

• The SAP error message TU325, which states "Budget billing plan &1 subject to YAP: proration is not possible," typically occurs in the context of budget billing plans in SAP IS-U (Industry Solution for Utilities). This error indicates that there is an issue with the proration of the budget billing plan due to certain conditions not being met.
  
  Cause:
  
  YAP (Yearly Adjustment Process): The error is related to the Yearly Adjustment Process (YAP) for budget billing plans. If the budget billing plan is subject to YAP, it may not allow for proration if certain criteria are not met.
  Billing Period Issues: There may be inconsistencies or issues with the billing periods defined in the budget billing plan.
  
  Configuration Issues: The configuration settings for budget billing plans or the YAP process may not be set up correctly.
  Data Inconsistencies: There may be inconsistencies in the master data or transaction data related to the customer account or billing