How To Fix QS420 - Activation of multiple specifications cannot be reversed


QS420 - Overview

  • Message type: E = Error

  • Message class: QS - QM: Master data

  • Message number: 420

  • Message text: Activation of multiple specifications cannot be reversed

  • Show details Hide details
  • What causes this issue?

    Activating the "Multiple Specifications" function in the current client
    enables you to set up inspection plans that have multiple
    specifications.
    To avoid confusion, you can only deactivate this function in exceptional
    cases. An example of an exceptional case is if there are no inspection
    plans in the system that have multiple specifications. Note that the
    system does not consider the change status when doing this. This means
    that the function cannot be deactivated for as long as an inspection
    plan with multiple specifications exists; even if the specification has
    become invalid.
    There will not be any functional restrictions if you cannot deactivate
    the function at a later stage. However, the fields for multiple
    specifications remain visible in the individual transactions throughout
    the whole client.

    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?

    Procedure for System Administrators


    Error message extract from SAP system. Copyright SAP SE.


Smart SAP Assistant

  • What is the cause and solution for SAP error message QS420 - Activation of multiple specifications cannot be reversed ?
    The SAP error message QS420, which states "Activation of multiple specifications cannot be reversed," typically occurs in the context of Quality Management (QM) when dealing with material specifications or inspection plans. This error indicates that there is an attempt to reverse the activation of multiple specifications, which is not allowed in the system.
    
    Cause: Multiple Specifications Activation: The error arises when there is an attempt to deactivate or reverse the activation of multiple specifications at once. SAP does not allow this operation because it can lead to inconsistencies in the data. System Restrictions: The system is designed to maintain data integrity, and reversing the activation of multiple specifications could potentially disrupt the relationships and dependencies between them.
    Solution: Single Specification Deactivation: Instead of trying to reverse the activation of multiple specifications at once, you should deactivate them one at a time. This can be done through the appropriate transaction codes in SAP, such as QS21

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