How To Fix GA550 - Cycle & & can not be performed in parallel


GA550 - Overview

  • Message type: E = Error

  • Message class: GA - Allocations

  • Message number: 550

  • Message text: Cycle & & can not be performed in parallel

  • Show details Hide details
  • What causes this issue?

    You want to execute a cycle. At the same time, another cycle with the
    same allocation type and the same plan/actual indicator is running. Two
    cycles can only run in parallel if they are in different cycle run
    groups (and not assigned to group 0000).

    System Response

    The second cycle cannot be executed.

    How to fix this error?

    Wait until the first cycle is finished and then start the second cycle.
    You can assign the cycles to various cycle run groups if the structure
    of the cycles allows you to do so. Refer to the documentation for this
    purpose.

    Error message extract from SAP system. Copyright SAP SE.


GA550 - Details

  • The SAP error message GA550, which states "Cycle & & can not be performed in parallel," typically occurs in the context of production planning or process management within SAP. This error indicates that a specific cycle (such as a production cycle or a planning cycle) cannot be executed simultaneously with another cycle due to constraints in the system.
    Causes:
    
    Resource Conflicts: The cycles may be trying to access the same resources (machines, tools, etc.) that are not capable of handling multiple operations at the same time.
    Configuration Settings: The system may be configured to prevent parallel processing for certain operations to avoid data inconsistencies or conflicts.
    Locking Mechanisms: SAP uses locking mechanisms to ensure data integrity. If one process is already using a resource, another process may be blocked from accessing it.
    Process Dependencies: There may be dependencies between the cycles that require them to be executed in a specific order rather than in parallel.
    
    Solutions:
    
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