How To Fix CK312 - Internal error during material selection

SAP Error Message - Details

• Message type: E = Error

• Message class: CK - Product Costing Messages

• Message number: 312

• Message text: Internal error during material selection

How to fix this error?

Inform your system administrator.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CK312 - Internal error during material selection ?

  The SAP error message CK312, which states "Internal error during material selection," typically occurs in the context of the Costing module, particularly during the process of material valuation or when executing a costing run. This error can be caused by various factors, and addressing it often requires a systematic approach.
  Causes of CK312 Error
  
  
  Data Inconsistencies: There may be inconsistencies or missing data in the material master records, costing views, or related tables.
  
  
  Configuration Issues: Incorrect configuration settings in the costing variant or valuation area can lead to this error.
  
  
  Custom Code: If there are custom enhancements or user exits that manipulate material selection, they might be causing the internal error.
  
  
  System Bugs: Occasionally, this error can be due to bugs in the SAP system itself, especially if you are using an older version.
  
  
  Authorization Issues: Lack of proper authorizations for accessing certain materials or data can also trigger this error.
  
  
  Solutions to CK312 Error
  
  
  Check Material Master Data:
  
  Verify that the material master records are complete and correctly configured, especially the costing views.
  Ensure that all necessary data (like valuation class, price control, etc.) is maintained.
  
  
  
  Review Costing Variant Configuration:
  
  Check the settings in the costing variant to ensure they are correctly configured for the materials being processed.
  Make sure that the valuation area and other relevant parameters are set up correctly.
  
  
  
  Analyze Custom Code:
  
  If there are any custom enhancements or modifications, review them to ensure they are not interfering with the standard material selection process.
  
  
  
  Check for System Notes and Patches:
  
  Look for any SAP Notes related to this error. SAP may have released patches or notes that address this specific issue.
  Apply any relevant updates or patches to your SAP system.
  
  
  
  Debugging:
  
  If you have access to debugging tools, you can analyze the program flow to identify where the internal error occurs.
  This may require the assistance of a developer or SAP Basis consultant.
  
  
  
  Consult SAP Support:
  
  If the issue persists after trying the above solutions, consider reaching out to SAP Support for further assistance. Provide them with detailed information about the error, including transaction codes, steps to reproduce, and any relevant logs.
  
  
  
  Related Information
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as CK11N (Create Cost Estimate), CK40N (Costing Run), and CK24 (Display Cost Estimate).
  SAP Notes: Search the SAP Support Portal for notes related to CK312 or costing issues.
  Documentation: Review SAP documentation on material costing and valuation to ensure compliance with best practices.
  
  By following these steps, you should be able to diagnose and resolve the CK312 error effectively.