How To Fix /SAPAPO/OM428 - ATP is not switched on in parallel

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/OM -

• Message number: 428

• Message text: ATP is not switched on in parallel

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/OM428 - ATP is not switched on in parallel ?

  The SAP error message /SAPAPO/OM428 ATP is not switched on in parallel typically occurs in the context of Advanced Planning and Optimization (APO) when attempting to perform an Available-to-Promise (ATP) check in parallel processing. This error indicates that the ATP check is not enabled for parallel processing in the system configuration.
  Cause:
  
  Configuration Settings: The ATP check may not be configured to allow parallel processing. This can happen if the relevant settings in the APO system are not properly set up.
  System Limitations: The system may have limitations or restrictions that prevent ATP checks from being executed in parallel.
  Transaction Settings: The specific transaction or process being executed may not support parallel ATP checks.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Configuration:
  
  Go to the transaction code /SAPAPO/ATP and check the settings for ATP checks.
  Ensure that the ATP check is configured to allow parallel processing. This may involve checking the settings in the APO system profile or the specific configuration for the ATP check.
  
  
  
  Adjust Parallel Processing Settings:
  
  If you have access to the system configuration, navigate to the relevant settings for parallel processing and ensure that ATP checks are enabled for parallel execution.
  You may need to consult with your SAP Basis or APO configuration team to make these changes.
  
  
  
  Review Transaction Settings:
  
  Check the specific transaction or process that is triggering the error. Ensure that it is designed to support parallel processing.
  If necessary, modify the transaction or process to allow for parallel ATP checks.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or notes related to ATP checks and parallel processing for any additional guidance or specific configuration steps.
  
  
  
  Testing:
  
  After making the necessary changes, perform a test to ensure that the ATP check can now be executed in parallel without triggering the error.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  System Logs: Review system logs for any additional error messages or warnings that may provide more context about the issue.
  
  If the problem persists after following these steps, it may be beneficial to reach out to SAP support for further assistance.