How To Fix CK276 - Lot size in material master cannot be determined

SAP Error Message - Details

• Message type: E = Error

• Message class: CK - Product Costing Messages

• Message number: 276

• Message text: Lot size in material master cannot be determined

What causes this issue?

An attempt was made to propose the costing lot size from the material
master segments or from the material requirements planning segment.
The assembly does not have a costing segment, and
The assembly does not have a segment for MRP 1, or
There is no 'Fixed lot size' entry for the assembly in the MRP segment.

How to fix this error?

If you have authorization, change the material master as appropriate.
<DS:TRAN.MM02> Change material master </>
INCLUDE 'NA_CKSYSAD_AN' OBJECT TEXT ID ST

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CK276 - Lot size in material master cannot be determined ?

  The SAP error message CK276, which states "Lot size in material master cannot be determined," typically occurs during the process of material valuation or when trying to perform a costing run. This error indicates that the system is unable to find a valid lot size for the material in the material master data.
  Causes:
  
  Missing Lot Size Data: The material master record may not have a defined lot size in the relevant views (e.g., Accounting or Costing view).
  Incorrect Valuation Class: The valuation class assigned to the material may not be set up correctly, leading to issues in determining the lot size.
  Missing or Incorrect Configuration: The configuration settings for the material type or valuation area may not be set up properly.
  Material Type Restrictions: Certain material types may have restrictions or specific settings that prevent the determination of lot size.
  Missing Master Data: The necessary master data for the material may be incomplete or missing.
  
  Solutions:
  
  
  Check Material Master Data:
  
  Go to the material master record (transaction code MM03) and check the relevant views (especially the Accounting and Costing views) to ensure that the lot size is defined.
  Ensure that the lot size is appropriate for the material type and business requirements.
  
  
  
  Review Valuation Class:
  
  Verify that the valuation class assigned to the material is correct and that it corresponds to the appropriate account determination settings.
  
  
  
  Configuration Settings:
  
  Check the configuration settings for the material type and valuation area in the Customizing settings (transaction code SPRO). Ensure that the lot size settings are correctly defined.
  
  
  
  Material Type Settings:
  
  Review the settings for the material type in the system to ensure that it allows for the determination of lot sizes.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for specific guidance on the material type and lot size settings.
  
  
  
  Testing:
  
  After making any changes, perform a test costing run to see if the error persists.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  MM03: Display Material Master
  MM02: Change Material Master
  CK11N: Create Cost Estimate with Quantity Structure
  CK40N: Change Cost Estimate
  
  
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  
  
  User Roles and Authorizations: Ensure that the user has the necessary authorizations to view and edit material master data.
  
  
  By following these steps, you should be able to identify the cause of the CK276 error and implement the necessary solutions to resolve it. If the issue persists, consider reaching out to your SAP support team for further assistance.