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

SAP Error Message - Details

• 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 reference a rate that is not applicable for the specified billing period.
  
  Solution:
  To resolve the EMDUS426 error, you can take the following steps:
  
  
  Check Rate Period Configuration:
  
  Navigate to the configuration settings for rate periods in your SAP system.
  Ensure that the rate periods are correctly defined and that they cover the billing periods you are trying to use.
  
  
  
  Review Billing Document:
  
  Check the billing document or result parameter that is causing the error.
  Verify the billing period and ensure it aligns with the defined rate periods.
  
  
  
  Adjust Billing Period:
  
  If the billing period is incorrect, you may need to adjust it to fall within the valid rate period.
  This can often be done by editing the billing document or reprocessing the billing run.
  
  
  
  Consult Documentation:
  
  Review any relevant SAP documentation or notes related to billing and rate periods for additional guidance.
  
  
  
  Testing:
  
  After making adjustments, perform a test billing run to ensure that the error does not reoccur.
  
  
  
  Seek Help from SAP Support:
  
  If the issue persists, consider reaching out to SAP support for further assistance, especially if it involves complex configurations or customizations.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as VF01 (Create Billing Document) or VF02 (Change Billing Document) to manage billing documents effectively.
  SAP Notes: Check for any SAP Notes that may address this specific error or provide patches or updates that could resolve underlying issues.
  User Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, providing insights or solutions from other users' experiences.
  
  By following these steps, you should be able to identify the root cause of the EMDUS426 error and implement a suitable solution.