How To Fix RU455 - No resource for parallel process exists


RU455 - Overview

  • Message type: E = Error

  • Message class: RU - Messages for order completion confirmation

  • Message number: 455

  • Message text: No resource for parallel process exists

  • Show details Hide details
  • What causes this issue?

    The goods movements should be processed in parallel.
    At the moment no new parallel process can be started because no resource
    is available.

    System Response

    The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

    How to fix this error?

    Repeat the posting of the goods movements affected at a later time.

    Error message extract from SAP system. Copyright SAP SE.


RU455 - Details

  • The SAP error message RU455 "No resource for parallel process exists" typically occurs in the context of background processing or parallel processing in SAP systems. This error indicates that the system is unable to allocate the necessary resources to execute a parallel process, which can be due to various reasons.
    Causes:
    
    Insufficient Background Processing Capacity: The system may not have enough background work processes available to handle the requested parallel jobs.
    
    Configuration Issues: The configuration settings for background processing or parallel processing may not be set correctly. System Load: High system load or resource contention can lead to the unavailability of resources for parallel processing. Job Scheduling Conflicts: There may be conflicts with other scheduled jobs that are consuming available resources. User Authorizations: The user may not have the necessary authorizations to execute parallel processes. Solutions: Check Background Process Configuration: Go to transaction RZ10 and check the profile parameters related to background processing, such as rdisp/wp_no_btc (number of background

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