How To Fix CRM_UBB_CHANGE021 - No changes possible; period already prebilled

CRM_UBB_CHANGE021 - Overview

• Message type: E = Error

• Message class: CRM_UBB_CHANGE - Messages for UBB Change Processes

• Message number: 021

• Message text: No changes possible; period already prebilled

What causes this issue?

You tried to change a period that has already been prebilled in the pool
contract.

System Response

The system does not change the period.

How to fix this error?

Cancel the pool contract prebilling for the appropriate period.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CRM_UBB_CHANGE021 - No changes possible; period already prebilled ?

  The SAP error message CRM_UBB_CHANGE021 indicates that changes cannot be made to a billing document because the period has already been prebilled. This typically occurs in the context of billing processes within SAP Customer Relationship Management (CRM) or SAP Convergent Charging, where certain billing periods are locked after they have been processed for billing.
  
  Cause:
  
  Prebilling Status: The billing period in question has already been processed, and the system has marked it as prebilled. This means that the billing documents for that period have been finalized, and no further changes can be made.
  Configuration Settings: The system may have specific settings that prevent changes to billing documents once they reach a certain status.
  Data Integrity: To maintain data integrity and avoid inconsistencies in financial reporting, the system restricts changes to already processed billing periods.
  
  
  Solution:
  
  Check Billing Status: Verify the status of the billing document. If it is indeed marked as prebilled, you will need to