How To Fix CK038 - Lot size in material master is & &

SAP Error Message - Details

• Message type: E = Error

• Message class: CK - Product Costing Messages

• Message number: 038

• Message text: Lot size in material master is & &

What causes this issue?

A lot size of &V1& &V2& was entered in the costing view of the material
master record.

System Response

If you do not specify a lot size when you create the cost estimate, the
lot size in the material master record will be used.
If you do specify a lot size when creating the cost estimate, this lot
size will be used in costing.

How to fix this error?

Check the lot size entered.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CK038 - Lot size in material master is & & ?

  The SAP error message CK038, which states "Lot size in material master is & &," typically occurs during the costing process when the system encounters an issue with the lot size defined in the material master record. This error can arise in various scenarios, particularly when performing cost estimates or during the production planning process.
  Cause:
  
  Incorrect Lot Size Configuration: The lot size defined in the material master may not be appropriate for the costing run or may not match the requirements of the production order.
  Missing Lot Size Data: The lot size fields in the material master may be empty or incorrectly filled.
  Inconsistent Data: There may be inconsistencies between the lot size defined in the material master and the lot size required for the specific costing variant or production order.
  Costing Variant Settings: The costing variant may not be configured to handle the lot size defined in the material master.
  
  Solution:
  
  
  Check Material Master Data:
  
  Go to the material master record (transaction code MM03) and check the lot size fields in the relevant views (e.g., Basic Data, MRP, Costing).
  Ensure that the lot size is defined correctly and is appropriate for the material.
  
  
  
  Adjust Lot Size:
  
  If the lot size is incorrect, update it to a valid value that aligns with your production and costing requirements.
  
  
  
  Review Costing Variant:
  
  Check the settings of the costing variant being used (transaction code OKKN) to ensure it is configured to handle the lot size defined in the material master.
  
  
  
  Check for Missing Data:
  
  Ensure that all necessary fields related to lot size are filled in the material master. This includes minimum lot size, maximum lot size, and lot size type.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or help resources for specific details on how to configure lot sizes and costing variants.
  
  
  
  Testing:
  
  After making changes, perform a test costing run to ensure that the error is resolved.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  MM03: Display Material Master
  MM02: Change Material Master
  CK11N: Create Cost Estimate with Quantity Structure
  CK40N: Change Cost Estimate
  OKKN: Costing Variants
  
  
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  
  
  User Roles: Ensure that the user has the necessary authorizations to view and change material master data.
  
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP support team or refer to SAP community forums for further assistance.