How To Fix EMDUS426 - Billing period of result parameter &1 is before the rate period

EMDUS426 - Overview

• Message type: E = Error

• Message class: EMDUS -

• Message number: 426

• Message text: Billing period of result parameter &1 is before the rate period

What causes this issue?

The proration period of the <DS:DE.E_MDUSRESPAR>result parameter</> &v1&
starts on &v2&. However, the rate period (rate &v4&) does not start
until &v3&.

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?

Choose a proration period that starts on &v3& at the earliest for result
parameter &v1&.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message EMDUS426 - Billing period of result parameter &1 is before the rate period ?

  The SAP error message EMDUS426 indicates that there is a mismatch between the billing period of a result parameter and the rate period defined in the system. This typically occurs in the context of billing or invoicing processes, particularly when dealing with utilities or services that have specific rate periods.
  
  Cause:
  The error is triggered when the billing period specified for a result parameter (like a billing document or a service) is earlier than the defined rate period. This can happen due to several reasons:
  
  Incorrect Configuration: The rate period may not be set up correctly in the system, leading to discrepancies.
  Data Entry Errors: The billing period may have been entered incorrectly during the creation of the billing document.
  Changes in Rate Plans: If there have been changes to the rate plans or periods after the billing document was created, it may lead to this error.
  Timing Issues: The billing process may be attempting to