How To Fix CKMLLA050 - No header record found in the buffer for cost estimate number &1

SAP Error Message - Details

• Message type: E = Error

• Message class: CKMLLA - Message for Activity Update in Quantity Structure

• Message number: 050

• Message text: No header record found in the buffer for cost estimate number &1

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CKMLLA050 - No header record found in the buffer for cost estimate number &1 ?

  The SAP error message CKMLLA050, which states "No header record found in the buffer for cost estimate number &1," typically occurs in the context of Material Ledger and Costing in SAP. This error indicates that the system is unable to find the header record for a specific cost estimate number in the buffer, which is necessary for processing.
  Causes:
  
  Cost Estimate Not Created: The cost estimate number specified may not exist or may not have been created successfully.
  Buffer Issues: There may be issues with the buffer where the cost estimate data is stored, leading to the header record not being found.
  Data Inconsistency: There could be inconsistencies in the database or in the way the cost estimates are being processed.
  Authorization Issues: The user may not have the necessary authorizations to access the cost estimate data.
  System Configuration: Incorrect configuration settings in the Material Ledger or Costing module may lead to this error.
  
  Solutions:
  
  Verify Cost Estimate: Check if the cost estimate number provided in the error message exists. You can do this by navigating to the relevant transaction (e.g., CK11N for creating cost estimates) and verifying the existence of the cost estimate.
  Recreate Cost Estimate: If the cost estimate does not exist or is corrupted, consider recreating it. Use the appropriate transaction to create a new cost estimate.
  Check Buffer Settings: Investigate the buffer settings in the system. You may need to clear the buffer or refresh it to ensure that the latest data is being accessed.
  Review Authorizations: Ensure that the user has the necessary authorizations to access the cost estimate data. Check the user roles and permissions.
  System Logs: Check the system logs (transaction SLG1) for any additional error messages or warnings that may provide more context about the issue.
  Consult Documentation: Review SAP documentation or notes related to the Material Ledger and Costing for any known issues or patches that may address this error.
  Contact SAP Support: If the issue persists after trying the above solutions, consider reaching out to SAP support for further assistance.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as CK11N (Create Cost Estimate), CK40N (Change Cost Estimate), and CKMLCP (Material Ledger Closing).
  Material Ledger Configuration: Ensure that the Material Ledger is properly configured in your SAP system, including settings for currencies, valuation methods, and other parameters.
  Costing Variants: Understand the costing variants being used, as they can affect how cost estimates are created and processed.
  
  By following these steps, you should be able to diagnose and resolve the CKMLLA050 error in SAP.