How To Fix /PF1/FH_SN012 - Preselection and parallel processing cannot be selected together

/PF1/FH_SN012 - Overview

• Message type: E = Error

• Message class: /PF1/FH_SN -

• Message number: 012

• Message text: Preselection and parallel processing cannot be selected together

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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/PF1/FH_SN012 - Details

• The SAP error message /PF1/FH_SN012 indicates that there is a conflict between the preselection and parallel processing options in a specific transaction or program. This error typically arises when a user attempts to enable both preselection and parallel processing simultaneously, which is not allowed in the system.
  
  Cause:
  
  Configuration Conflict: The system is designed to prevent the simultaneous use of preselection and parallel processing because they may conflict with each other in terms of data handling and processing logic.
  User Input: The user may have inadvertently selected both options in the transaction or program settings.
  
  
  Solution:
  To resolve this error, you need to adjust the settings in the transaction or program where the error occurs:
  
  Check Settings: Review the options you have selected in the transaction. Ensure that either preselection or parallel processing is enabled, but not both.
  Modify Selection Criteria: If you need to use preselection, disable the parallel processing option. Conversely, if you require parallel