How To Fix /SCMB/SCHED_CORE_API100 - An exception occurred in the scheduling preparation step

SAP Error Message - Details

• Message type: E = Error

• Message class: /SCMB/SCHED_CORE_API -

• Message number: 100

• Message text: An exception occurred in the scheduling preparation step

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SCMB/SCHED_CORE_API100 - An exception occurred in the scheduling preparation step ?

  The SAP error message /SCMB/SCHED_CORE_API100 An exception occurred in the scheduling preparation step typically indicates that there was an issue during the scheduling process in the Supply Chain Management (SCM) module. This error can arise from various underlying causes, and resolving it often requires a systematic approach to identify and fix the root cause.
  Possible Causes:
  
  Data Inconsistencies: There may be inconsistencies in the master data or transaction data that the scheduling process relies on.
  Configuration Issues: Incorrect configuration settings in the SCM module can lead to exceptions during scheduling.
  Missing or Incorrect Parameters: Required parameters for the scheduling process may be missing or incorrectly set.
  System Performance Issues: If the system is under heavy load or if there are performance bottlenecks, it may lead to exceptions.
  Authorization Issues: The user executing the scheduling process may not have the necessary authorizations.
  Bugs or System Errors: There may be bugs in the SAP system or specific issues related to the version you are using.
  
  Solutions:
  
  Check Logs: Review the application logs (transaction SLG1) for more detailed error messages that can provide insights into what went wrong.
  Validate Data: Ensure that all relevant master data (like materials, resources, etc.) and transaction data (like orders, forecasts, etc.) are correctly maintained and consistent.
  Review Configuration: Check the configuration settings in the SCM module to ensure they are set up correctly for your business processes.
  Parameter Settings: Verify that all required parameters for the scheduling process are correctly defined and not missing.
  Performance Monitoring: Monitor system performance and check for any bottlenecks. You may need to optimize the system or schedule jobs during off-peak hours.
  User Authorizations: Ensure that the user has the necessary authorizations to execute the scheduling process.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes or patches that may address known issues related to this error.
  Debugging: If you have access to development tools, you may need to debug the scheduling process to identify the exact point of failure.
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for the SCM module for detailed information on scheduling processes and configurations.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  Support Tickets: If the issue persists and you have a support contract, consider opening a support ticket with SAP for further assistance.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.