How To Fix WB2B_CS299 - Matching key is not built yet. Please execute CL_WB2_CS_MATCHING_ENGINE

SAP Error Message - Details

• Message type: E = Error

• Message class: WB2B_CS - Trading Contract: Contract Matching and Settlement

• Message number: 299

• Message text: Matching key is not built yet. Please execute CL_WB2_CS_MATCHING_ENGINE

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message WB2B_CS299 - Matching key is not built yet. Please execute CL_WB2_CS_MATCHING_ENGINE ?

  The SAP error message WB2B_CS299 with the description "Matching key is not built yet. Please execute CL_WB2_CS_MATCHING_ENGINE" typically occurs in the context of SAP's Business-to-Business (B2B) integration processes, particularly when dealing with the matching of business documents or data.
  Cause:
  This error indicates that the system is trying to perform a matching operation, but the necessary matching keys have not been generated yet. The matching keys are essential for the system to identify and correlate related business documents or transactions. The absence of these keys means that the matching engine cannot proceed with its operations.
  Solution:
  To resolve this error, you need to execute the matching engine class CL_WB2_CS_MATCHING_ENGINE. Here are the steps you can follow:
  
  
  Execute the Matching Engine:
  
  You can run the matching engine directly in the SAP GUI. Use transaction code SE38 or SA38 to execute a report.
  Enter the name of the class CL_WB2_CS_MATCHING_ENGINE and execute it.
  
  
  
  Check for Background Jobs:
  
  If the matching process is supposed to run as a background job, ensure that the job is scheduled and running correctly. You can check this in transaction code SM37.
  
  
  
  Review Logs:
  
  After executing the matching engine, check the logs for any errors or warnings that might indicate why the matching keys were not built initially.
  
  
  
  Data Consistency:
  
  Ensure that the data being processed is consistent and complete. Missing or incorrect data can prevent the matching keys from being generated.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or notes related to the B2B integration and the matching engine for any specific configurations or prerequisites that might be required.
  
  
  
  Contact SAP Support:
  
  If the issue persists after following the above steps, consider reaching out to SAP support for further assistance. They may provide insights specific to your system configuration or version.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SE38 / SA38: To execute ABAP programs.
  SM37: To monitor background jobs.
  
  
  
  SAP Notes:
  
  Check for any relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  
  
  
  Documentation:
  
  Review the SAP Help Portal for documentation on B2B processes and the matching engine.
  
  
  
  By following these steps, you should be able to resolve the error and ensure that the matching keys are built correctly for your B2B processes.