How To Fix CK645 - Error when reading CO object &1.

SAP Error Message - Details

• Message type: E = Error

• Message class: CK - Product Costing Messages

• Message number: 645

• Message text: Error when reading CO object &1.

What causes this issue?

Preliminary order costing calculates the costs of the direct production
material &V2& in plant &V3& using Controlling object &V1& of the
production order. An error occurred.

System Response

Material &V2& in plant &V3& cannot be valuated.

How to fix this error?

Check whether plan values were written in the Controlling object for
the production order of material &V2& in plant &V3&. If they were not,
execute the function "Determine costs" in the production order for
material &V2&.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CK645 - Error when reading CO object &1. ?

  The SAP error message CK645 ("Error when reading CO object &1") typically occurs in the context of controlling (CO) when the system is unable to retrieve data for a specific CO object, such as a cost center, internal order, or other controlling-related entities. This error can arise due to various reasons, including data inconsistencies, missing master data, or configuration issues.
  Causes:
  
  Missing Master Data: The CO object referenced in the error message may not exist in the system or may have been deleted.
  Authorization Issues: The user may not have the necessary authorizations to access the CO object.
  Data Inconsistencies: There may be inconsistencies in the database, such as missing entries in related tables.
  Configuration Issues: Incorrect configuration settings in controlling or related modules may lead to this error.
  Transport Issues: If the CO object was recently transported from another system, it may not have been properly set up in the target system.
  
  Solutions:
  
  Check Master Data: Verify that the CO object exists in the system. You can do this by using transaction codes like KS03 (Display Cost Center) or KO03 (Display Internal Order) to check if the object is available.
  Review Authorizations: Ensure that the user has the necessary authorizations to access the CO object. This can be checked in transaction SU53 (Authorization Check) after the error occurs.
  Data Consistency Check: Run consistency checks for the controlling area or related objects to identify any inconsistencies. You can use transaction code KAH3 (Display Cost Center) or KOB1 (Order Information System) to check for inconsistencies.
  Configuration Review: Review the configuration settings in the controlling module to ensure that everything is set up correctly. This may involve checking the settings in transaction SPRO.
  Transport Validation: If the CO object was recently transported, ensure that all necessary data and configurations were included in the transport request. You may need to re-transport or manually create the missing objects.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as KS03, KO03, KAH3, KOB1, and SPRO for troubleshooting.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  System Logs: Review system logs (transaction SLG1) for any additional error messages or warnings that may provide more context about the issue.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP Basis or functional team for further investigation.