How To Fix AH911 - Time base of prices must correspond during update

SAP Error Message - Details

• Message type: E = Error

• Message class: AH - IS-U billing (master data)

• Message number: 911

• Message text: Time base of prices must correspond during update

What causes this issue?

When you update the time-dependent average price, the time basis of the
price in the source schema step (CSNO = &v1&) must correspond to the
time basis of the price in the target schema step (CSNO = &v2&).

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?

Define the same time categories in the source and target schema steps.

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 AH911 - Time base of prices must correspond during update ?

  The SAP error message AH911, which states "Time base of prices must correspond during update," typically occurs in the context of pricing and conditions in SAP, particularly when dealing with pricing records that have different validity periods or time bases.
  Cause:
  The error usually arises when there is an inconsistency in the time validity of pricing conditions. This can happen in scenarios such as:
  
  Attempting to update or change pricing conditions where the validity periods (start and end dates) of the prices do not match or overlap correctly.
  Having multiple pricing records for the same material or service that have different time bases (e.g., one record valid for a specific date range and another for a different range).
  Issues with the configuration of pricing procedures or condition records in the system.
  
  Solution:
  To resolve the AH911 error, you can take the following steps:
  
  
  Check Condition Records:
  
  Go to the transaction code VK13 (Display Condition) or VK12 (Change Condition) to review the condition records for the relevant pricing conditions.
  Ensure that the validity periods of the condition records are consistent and do not overlap incorrectly.
  
  
  
  Adjust Validity Periods:
  
  If you find discrepancies in the validity periods, adjust them so that they align correctly. Ensure that there are no gaps or overlaps that could cause conflicts.
  
  
  
  Review Pricing Procedure:
  
  Check the pricing procedure assigned to the relevant sales document or purchasing document. Ensure that the pricing procedure is correctly configured to handle the conditions you are trying to update.
  
  
  
  Check for Custom Logic:
  
  If there are any custom enhancements or user exits that manipulate pricing conditions, review them to ensure they are not causing the inconsistency.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or notes related to pricing conditions and the specific error message for additional insights or updates that may address the issue.
  
  
  
  Testing:
  
  After making adjustments, perform tests to ensure that the error no longer occurs and that pricing updates can be processed successfully.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as VK11 (Create Condition), VK12 (Change Condition), and VK13 (Display Condition) for managing pricing conditions.
  SAP Notes: Check SAP Notes for any known issues or patches related to pricing conditions and the AH911 error.
  SAP Community: Engage with the SAP Community forums for discussions and solutions shared by other users who may have encountered the same issue.
  
  By following these steps, you should be able to identify and resolve the cause of the AH911 error in your SAP system.