How To Fix /SCMB/MC_PB_DEF166 - &1 out of &2 calculation runs were successful

SAP Error Message - Details

• Message type: E = Error

• Message class: /SCMB/MC_PB_DEF -

• Message number: 166

• Message text: &1 out of &2 calculation runs were successful

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SCMB/MC_PB_DEF166 - &1 out of &2 calculation runs were successful ?

  The SAP error message /SCMB/MC_PB_DEF166 &1 out of &2 calculation runs were successful typically occurs in the context of SAP Advanced Planning and Optimization (APO) or Supply Chain Management (SCM) when running a planning calculation. This message indicates that not all calculation runs were successful, which can lead to incomplete or inaccurate planning results.
  Cause:
  
  Data Issues: There may be issues with the master data or transaction data that the planning run is trying to process. This could include missing or incorrect data.
  Configuration Errors: Incorrect settings in the planning book, data views, or planning parameters can lead to failures in certain runs.
  Resource Constraints: Insufficient system resources (like memory or processing power) can cause some runs to fail.
  Locking Issues: If another process is locking the data that the planning run needs to access, it may lead to failures.
  Custom Code: If there are custom enhancements or user exits that are not functioning correctly, they may cause certain runs to fail.
  
  Solution:
  
  Check Logs: Review the detailed logs of the planning run to identify which specific runs failed and why. This can provide insights into the underlying issues.
  Data Validation: Ensure that all necessary master and transaction data is complete and accurate. Check for missing or inconsistent data.
  Configuration Review: Verify the configuration settings for the planning book and ensure that all parameters are set correctly.
  Resource Monitoring: Monitor system resources during the planning run to ensure that there are enough resources available.
  Lock Management: Check for any locks on the data that might be causing issues. You can use transaction codes like SM12 to view and manage locks.
  Testing Custom Code: If there are custom enhancements, test them separately to ensure they are functioning as expected.
  
  Related Information:
  
  Transaction Codes: Use transaction codes like /SCMB/MC_PB for planning book maintenance, and SM37 to check job logs for background processing.
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address specific issues related to this error message.
  Documentation: Refer to the SAP Help Portal for detailed documentation on planning runs and troubleshooting common issues in SCM/APO.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP Basis or technical team for further investigation or to reach out to SAP support for assistance.