How To Fix B1126 - Foreground processing and parallel processing are not possible together

SAP Error Message - Details

• Message type: E = Error

• Message class: B1 - ALE group messages

• Message number: 126

• Message text: Foreground processing and parallel processing are not possible together

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message B1126 - Foreground processing and parallel processing are not possible together ?

  The SAP error message B1126, which states "Foreground processing and parallel processing are not possible together," typically occurs when there is an attempt to execute a background job in parallel while also trying to run it in the foreground. This situation can arise in various scenarios, particularly when dealing with batch processing or when using certain transaction codes that are not designed to handle both types of processing simultaneously.
  Cause:
  
  Conflicting Processing Modes: The error is triggered when a user tries to execute a transaction or report that is set to run in the foreground while also attempting to run it in parallel processing mode.
  Job Configuration: The job configuration may have been set incorrectly, leading to a conflict between foreground and background processing.
  Transaction Code Limitations: Some transaction codes or programs are not designed to support parallel processing and foreground execution at the same time.
  
  Solution:
  
  Check Job Configuration: Review the configuration of the job that is being executed. Ensure that it is set to run in either foreground or background mode, but not both.
  Run in Foreground or Background: If you need to run a job in the foreground, ensure that it is not set to run in parallel. Conversely, if you want to run it in the background, make sure it is not being executed in the foreground.
  Use Appropriate Transaction Codes: Ensure that you are using the correct transaction codes that support the desired processing mode. If a transaction is meant for background processing, do not attempt to run it in the foreground.
  Check for Parallel Processing Settings: If you are using a program that supports parallel processing, check the settings to ensure they are configured correctly and that you are not inadvertently trying to run it in both modes.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any specific patches or updates related to this error message. Sometimes, there may be known issues or fixes provided by SAP.
  Documentation: Review the documentation for the specific transaction or program you are using to understand its processing capabilities and limitations.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  
  By following these steps, you should be able to resolve the B1126 error and successfully execute your SAP jobs without conflicts between foreground and background processing.