How To Fix EWA395 - Time slices already billed cannot be prorated

EWA395 - Overview

• Message type: E = Error

• Message class: EWA - IS-U-WA: Waste Management

• Message number: 395

• Message text: Time slices already billed cannot be prorated

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message EWA395 - Time slices already billed cannot be prorated ?

  The SAP error message EWA395, which states "Time slices already billed cannot be prorated," typically occurs in the context of billing and invoicing processes within SAP, particularly when dealing with time-based services or contracts. This error indicates that there is an attempt to prorate a time slice that has already been billed, which is not allowed.
  
  Cause:
  
  Billed Time Slices: The error arises when there is an attempt to adjust or prorate a time slice that has already been invoiced. Once a time slice is billed, it is locked for further changes.
  Incorrect Billing Logic: The logic used in the billing process may not account for already billed time slices, leading to attempts to prorate them.
  
  Configuration Issues: There may be configuration settings in the billing module that do not align with the business process requirements.
  
  
  Solution:
  
  Review Billing Documents: Check the billing documents to identify which time slices have already been billed. Ensure that you