How To Fix CK640 - Marked cost estimate cannot be changed

CK640 - Overview

• Message type: E = Error

• Message class: CK - Product Costing Messages

• Message number: 640

• Message text: Marked cost estimate cannot be changed

What causes this issue?

A marked cost estimate for this order item already exists in the
database; it may have been used to valuate sales order or project
inventory materials. That is why this cost estimate can only be
displayed.

System Response

The item is not costed again, the existing cost estimate is displayed.

How to fix this error?

Using the message type for the user-defined message CK635, you can
specify whether marked cost estimates for the sales order can be
overwritten.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CK640 - Marked cost estimate cannot be changed ?

  The SAP error message CK640, which states "Marked cost estimate cannot be changed," typically occurs in the context of cost estimating in SAP, particularly when dealing with cost estimates that have been marked for use in production or other processes. Here’s a breakdown of the cause, potential solutions, and related information:
  
  Cause:
  
  Marked Cost Estimate: The cost estimate in question has been marked, meaning it has been finalized and is being used for various purposes (e.g., production, pricing).
  Status of the Cost Estimate: The cost estimate may be in a status that does not allow for changes. For example, if it has been released or is being used in a production order, it cannot be modified.
  Authorization Issues: The user may not have the necessary authorizations to change a marked cost estimate.
  System Settings: Certain system settings or configurations may prevent changes to marked cost estimates.
  
  Solutions:
  
  Unmark the Cost Estimate: If you need to make changes,