How To Fix KK423 - Lot size changed

KK423 - Overview

• Message type: E = Error

• Message class: KK -

• Message number: 423

• Message text: Lot size changed

What causes this issue?

You changed the lot size.

System Response

The quantities were converted and the total value of the cost estimate
was recalculated.

How to fix this error?

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message KK423 - Lot size changed ?

  The SAP error message KK423 "Lot size changed" typically occurs in the context of controlling and production planning when there is a discrepancy between the lot size defined in the system and the lot size that is being used in a particular transaction or process. This can happen in various scenarios, such as during the creation of production orders, cost planning, or when executing certain transactions related to materials or production.
  
  Cause:
  
  Lot Size Configuration: The lot size defined in the material master or production order may have been changed, leading to a mismatch with the expected lot size in the transaction.
  Master Data Changes: Changes in the material master data, such as the lot size settings, can trigger this error if the new settings are not compatible with existing orders or transactions.
  Transaction Data: If a user attempts to process a transaction that requires a specific lot size, and the current configuration does