How To Fix CK639 - In a reference cost estimate, entries are deleted from the intital screen

CK639 - Overview

• Message type: E = Error

• Message class: CK - Product Costing Messages

• Message number: 639

• Message text: In a reference cost estimate, entries are deleted from the intital screen

What causes this issue?

Costing is carried out using reference variant &V1&.
For a reference cost estimate, the lot size, BOM and planning data
entries were read from a cost estimate that has already been saved.
These values cannot be entered in the initial screen.

System Response

The values which you entered are canceled.

How to fix this error?

Check whether you want to cost using a reference cost estimate.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CK639 - In a reference cost estimate, entries are deleted from the intital screen ?

  The SAP error message CK639 typically occurs in the context of cost estimating, particularly when dealing with reference cost estimates. This error indicates that there are entries that have been deleted from the initial screen of the cost estimate, which can lead to inconsistencies or issues in the cost calculation process.
  
  Cause:
  The CK639 error can be triggered by several factors, including:
  
  Deleted Entries: If you have deleted items or entries from the cost estimate screen, the system may not be able to process the estimate correctly.
  Inconsistent Data: There may be inconsistencies in the data being used for the cost estimate, such as missing or incorrect master data.
  Authorization Issues: Sometimes, the user may not have the necessary authorizations to view or modify certain entries, leading to this error.
  Technical Issues: There could be underlying technical issues or bugs in the SAP system that are causing this error to appear.
  
  
  Solution:
  To resolve the CK639 error, you