How To Fix CK237 - No reference object found during number assignment

SAP Error Message - Details

• Message type: E = Error

• Message class: CK - Product Costing Messages

• Message number: 237

• Message text: No reference object found during number assignment

What causes this issue?

A cost estimate must have a key that is unique in the system. This is
achieved by saving the costing document under a unique number.
However, number assignment for the reference object is missing.

System Response

The system cannot assign a number to the costing document.

How to fix this error?

Check the <DS:GLOS.costing_variant>costing variant</> used.
<DS:TRAN.CKC1>Check costing variant</>
&sys_admin&
Check the assignment of number ranges and costing variants.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CK237 - No reference object found during number assignment ?

  The SAP error message CK237 ("No reference object found during number assignment") typically occurs in the context of material master data or when dealing with cost estimates in SAP. This error indicates that the system is unable to find a reference object (such as a material or a cost estimate) that is necessary for the number assignment process.
  Causes:
  
  Missing Reference Object: The most common cause is that the reference object (like a material or cost estimate) does not exist in the system or is not properly defined.
  Incorrect Configuration: There may be issues with the configuration settings in the system that prevent the reference object from being recognized.
  Authorization Issues: The user may not have the necessary authorizations to access the reference object.
  Data Inconsistencies: There could be inconsistencies in the data that prevent the system from finding the reference object.
  
  Solutions:
  
  Check Reference Object: Verify that the reference object you are trying to use exists in the system. For example, if you are working with a material, ensure that the material number is valid and active.
  Review Configuration: Check the configuration settings related to number assignment in the relevant modules (like Material Management or Controlling) to ensure they are set up correctly.
  User Authorizations: Ensure that the user has the necessary authorizations to access the reference object. This may involve checking roles and permissions in the user profile.
  Data Consistency Check: Run data consistency checks to identify any inconsistencies in the master data that may be causing the issue.
  Transaction Codes: Use transaction codes like CK11N (Create Cost Estimate) or CK40N (Change Cost Estimate) to see if the issue persists in those transactions. This can help isolate the problem.
  SAP Notes: Check for any relevant SAP Notes or patches that may address this specific error. SAP frequently releases updates that can resolve known issues.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as CK11N, CK40N, MM01 (Create Material), and MM02 (Change Material).
  SAP Documentation: Refer to SAP Help documentation for detailed information on cost estimation and material master data management.
  Support Community: Engage with the SAP Community or forums for additional insights and solutions from other users who may have encountered the same issue.
  
  If the problem persists after trying the above solutions, it may be necessary to consult with your SAP support team or a technical consultant for further investigation.