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

/SAPAPO/OM428 - Overview

• Message type: E = Error

• Message class: /SAPAPO/OM -

• Message number: 428

• Message text: ATP is not switched on in parallel

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 /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