How To Fix CK635 - Saving new cost estimate overwrites marked cost estimate

CK635 - Overview

• Message type: E = Error

• Message class: CK - Product Costing Messages

• Message number: 635

• Message text: Saving new cost estimate overwrites marked cost estimate

What causes this issue?

Item &V1& of sales document &V2& has a saved, marked cost estimate,
which may already have been used for <DS:GLOS.Price_Update>valuation of
sales order or project inventory</>. If this cost estimate is
overwritten by a new cost estimate, differences can occur in variance
calculation.

System Response

When you save the new cost estimate, the marked cost estimate is
overwritten.

How to fix this error?

You can prevent the marked cost estimate from being overwritten by
setting the message category of this message in user-defined error
management to 'Error'.

Error message extract from SAP system. Copyright SAP SE.

CK635 - Details

• The SAP error message CK635, which states "Saving new cost estimate overwrites marked cost estimate," typically occurs in the context of cost estimating in SAP's Controlling (CO) module, particularly when dealing with cost estimates for materials or products.
  
  Cause:
  This error arises when you attempt to save a new cost estimate that would overwrite an existing cost estimate that has been marked for a specific purpose (e.g., marked for future use, marked as a standard cost estimate, etc.). The system is designed to prevent unintentional overwriting of important cost estimates that may be in use for various financial reporting or planning purposes.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Existing Cost Estimates: Review the existing cost estimates for the material or product in question. You can do this using transaction codes like CK13N (Display Material Cost Estimate) to see the current cost estimates and their statuses.
  
  
  Unmark the Existing Cost Estimate: